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


[Q]: A learned characteristic could be (A) Eye color (B) a cartwheel (C) freckles (D) Hair color
[A]: B


[Q]: When would a reflector be most effective? (A) fall (B) winter (C) summer (D) spring
[A]:
C