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 uses eyes to see by sensing light? (A) trees (B) algae (C) worms (D) elephants
[EX A]: D

[EX Q]: A needle lined with magnets will pull north. If north is to the right and you want to go west, you'd walk (A) straight (B) left (C) backwards (D) right
[EX A]: A

[EX Q]: Abusive relationships often lead to the abused in (A) future good relationships (B) in favorable outcomes (C) future bad relationships (D) in ideal situations
[EX A]:
C