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.

The phrase "long time veterans of the company" is an interrupting phrase, one that adds information to the sentence but remains outside of its main structure. An interrupting phrase must be set apart from the rest of the sentence by commas. The only answer choice that correctly sets apart the phrase is "The entire staff, long time veterans of the company, was surprised by their CEO's sudden resignation.

The phrase "having seen the event before" is an interrupting phrase, one that adds information to the sentence, but sits outside the sentence's main structure. Any interrupting phrase needs to be set apart from the rest of the sentence by commas. "The older children, having seen the event before, were not" is the only answer choice that correctly sets the phrase off with commas.

The phrase "capable of playing a dozen instruments" is an interrupting phrase, one that adds extra information to a sentence, but sits outside the main structure of the sentence. Any interrupting phrase must be set apart from the rest of the sentence by commas. "The musician, capable of playing a dozen instruments, needed" is the only answer choice that correctly sets off the interrupting phrase.

The phrase "a strong and powerful man" is an appositive, a type of interrupting phrase that adds extra information to the sentence, but remains outside the main structure of the sentence. Any interrupting phrase must be set apart by commas from the rest of the sentence, making the correct answer choice "The contractor, a strong and powerful man, was able to lift two bags of cement mix at once."

The phrase "a staunch disciplinarian" is an interrupting phrase, one that adds extra information to the sentence, but remains outside the main structure of the sentence. An interrupting phrase needs to be set apart from the rest of the sentence by commas. The only answer choice that properly sets apart the interrupting phrase is "The new coach, a staunch disciplinarian, made the team work harder than they ever had."

The phrase "a well respected lawyer" is an interrupting phrase, one that adds information to a sentence but remains apart from its main structure. Any interrupting phrase must be set apart from the rest of the sentence by commas. The only answer choice to correctly do this is "father, a well respected lawyer, was."