An “arabesque” style painting is one with flowing lines. The word does indeed mean Arab-like (-esque), for it was believed to be derived in the West from Arab styles of art (which under Islamic influence would have lacked pictorial representation). The actual sources for such art are more complex, related to earlier Greek and Roman forms of ornamentation.

The people were brought into an entry room, which could be considered as the “fore-room” to the main meeting area. Such an area is called an “antechamber” because it comes before (=ante) the main chamber or room. The prefix “ante-” can be found in words like “anterior,” “antecedent,” and “antebellum;” (the last meaning before a / the war—often the American Civil War in our usage in the United States).

If two living things live together and (at least in a sense or to a degree) require each other for life, they have a “symbiotic” relationship. (It is possible to use the word merely to mean that they live in close proximity, though general usage often implies the advantageous nature of the relationship). The word comes from Greek roots. “Sym” (or “syn”) means together or “same” and is found in English words like “synonym,” “sympathy,” and “synagogue.” The “-biotic” portion comes from a root word meaning life, found in words like “biology,” “biopsy,” and “biography.”

The word “opus” is directly derived from the Latin word for work, and while its English usage often implies a musical work, it can more broadly indicate any artistic work, particularly one that is very large and involved. The word “opus” in Latin has a forms containing the base “oper-”, found in English words like “opera” and “operate.”

The key expression here is “focusing on every word . . .” This gives the sense of paying close attention to each word in the articles. The word “scrutinize” means to examine or inspect thoroughly, which captures this sense.

In contrast to the other words given as possible answers, being “despondent” implies lack of hope—not merely disappointment or emotional detachment. This is called for by the key phrase, “to the point of no longer hoping for . . .”

The key word to note is “holiness;” therefore, while all of the other options are potentially applicable, only “sanctification” fits most closely. It means the process of being made holy. The “-fication” is a standard ending, meaning to do or to make and is likewise found in forms like “-fact-” (factor), “-fic-” (artificer), “-fect” (perfect), or even “-fy” (sanctify).  The root “sanct-” comes from the Latin sanctus meaning “holy.”

Beyond noting the resounding of the bells, the word “plangently” likewise carries with it the sense of sadness. If someone is “plaintive,” he or she sounds as though mourning.

Although the other “music-related” words perhaps are tempting, “canticle” is the best, given that it has particular associations with church music. It comes from a base that is similar to that found in “cantor” (singer, particularly leading a church service), “cantata,” and “incantation.” All of these words are variously related to the Latin “cantare,” meaning to sing.

For this problem, it is necessary to choose the one “odd man out” that is at least closest to the sense implied. Since the telescope is far extending the vision beyond closer bodies, the best option is that which captures more than merely “celestial” or standard “heavenly” bodies. The word “sidereal” means “pertaining to the ‘fixed’ (distant) stars” or even just “pertaining to constellations.”