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").

[EX Q]: something in a cold place becomes what? (A) warmish (B) toasty (C) hot (D) chilly
[EX A]: D

[EX Q]: Why is it dangerous for an animal to be kept boxed up in an area without air circulation? (A) it will be confused (B) it might get too viscious (C) it will be scared (D) it might get overheated
[EX A]: D

[EX Q]: The below surface pebbles of the columbia river are of non rough edges because of? (A) rough rocks (B) river movement (C) smoothness (D) fish movement
[EX A]:
B