In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

[Q]: Why was my son-in-law required to add rugs or carpeting to his upstairs apartment when the ground floor wasn't? (A) So it would look good then prospective renters took a tour (B) Because they didn't want him to scratch up the wood floors. (C) Because they didn't want the downstairs renters to be as likely to complain about noise (D) Because they didn't want to pay for carpeting themselves.
[A]: C


[Q]: A skill some humans have is (A) ten fingers (B) vision (C) heart beating (D) talking
[A]: D


[Q]: Tungsten is a metal which is found in large amounts in filaments, which are used in incandescent light bulbs. These light bulbs work because (A) light bulbs get very warm (B) filaments are able to freeze (C) the filament glows warmly (D) the filament catches fire
[A]:
C