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").

Example Input: If a mother mammal wants to give her offspring proper nutrients, she would utilize her (A) whiskers (B) toes (C) tail (D) areola
Example Output: D

Example Input: This animal evolved to reproduce using protective containers instead of live little entities: (A) rhino (B) hamster (C) platypus (D) mongoose
Example Output: C

Example Input: If you're stuck outside on a sunny day, the coolest place would be under a tree because they do what to the sunlight (A) sell it (B) climb it (C) block it out (D) smell it
Example Output:
C