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]: Pollution is (A) throwing a gum wrapper in the ocean (B) trees in a forest (C) Fish swimming in the sea (D) The wind carrying seeds
[EX A]: A

[EX Q]: When the old man was much younger, he still had (A) brown eyes (B) baldness (C) gray hair (D) wrinkled skin
[EX A]: A

[EX Q]: Humans are like monkeys in a lot of ways, besides sharing a lot of the same DNA, their babies are birthed (A) mad (B) old (C) alive (D) dead
[EX A]:
C