The phrase "making up for lost time" is an interrupting phrase, one that adds extra information to the sentence, but remains apart from its structure. All interrupting phrases must be set apart from the sentence by commas. "The driver, making up for lost time, started driving much faster" is the only answer choice that correctly does this.

The phrase "a long-time veteran of the police department" is an interrupting phrase, one that provides extra meaning to the sentence while remaining apart from its structure. All interrupting phrases need to be set apart from the rest of the sentence by commas. "The commanding officer, a long-time veteran of the police department, had" is the only answer choice to appropriately separate out the phrase.

The phrase "changing his management style" is an interrupting phrase, one that provides extra information to the sentence, but sits outside the sentence's main structure. All interrupting phrases must be set apart by commas from the rest of the sentence. "The new executive, changing his management style, began" is the only answer choice that properly does this.

The phrase "having never failed to get a date for one of her clients" is an extremely long interrupting phrase, a phrase that adds information to a sentence but remains outside the main structure of the sentence. All interrupting phrases must be set apart from the rest of the sentence by commas. The only answer choice that appropriately does this is "The matchmaker, having never failed to get a date for one of her clients, worked desperately before her deadline from her new client."

The phrase "already a large local story" is an interrupting phrase, one that provides extra information to the sentence but remains apart from its main structure. Every interrupting phrase needs to be set apart from the rest of the sentence by commas. The only answer choice that properly does this is "The event, already a large local story, was further fueled by national news coverage."

The phrase "an aging war veteran" is an interrupting phrase, one that provides extra information to a sentence, while sitting outside the sentence's main structure. All interrupting phrases must be set apart from the rest of the sentence by commas. "The grandfather, an aging war veteran, held court" is the only answer choice that appropriately uses commas around the phrase.

The phrase "living in foster care for years" is an interrupting phrase, one that adds extra information to the sentence, but is outside its main structure. An interrupting phrase must always be set apart from the sentence by commas. The only answer choice that appropriately sets off the interrupting phrase is "The young girl, living in foster care for years, had a tough life throughout her schooling."

The phrase "a prey animal" is an interrupting phrase, one that adds meaning to the sentence but sits outside its basic structure. Any interrupting phrase must be set apart from the rest of the sentence by commas. The only answer choice that correctly does this is "The rabbit, a prey animal, is always on alert for danger from the outside world."

The phrase "a long time assistant at the school" is an interrupting phrase, one that adds information to the sentence while standing outside its main structure. Any interrupting phrase must be set apart from the rest of the sentence by commas. The only answer choice that appropriately sets off the interrupting phrase is "The new coach, a long time assistant at the school, was long considered the front runner for the job."

The phrase "broken for years" is an interrupting phrase, one that adds meaning to the sentence but remains outside its main structure. Any interrupting phrase needs to be set apart from the rest of the sentence by commas. "The clock, broken for years, still wound up easily" is the only answer choice that appropriately sets off the interrupting phrase.