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]: What did some ancient societies use to reflect light? (A) wood (B) plants (C) clothing (D) rocks
[EX A]: D

[EX Q]: You can eventually obtain water from a lake even if it's (A) frozen (B) gone (C) evaporated (D) dry
[EX A]: A

[EX Q]: A badger is birthed with behaviors that are (A) learned (B) found (C) intuitive (D) useless
[EX A]:
C