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: Which would a strawberry most rely on to ensure it gets planted? (A) a fish (B) a canary (C) a penguin (D) a tiger
Example Output: B

Example Input: An echo is produced by what type of reflection of sound source? (A) Direct (B) Distant (C) Varied (D) Single
Example Output: D

Example Input: Which is an inherited characteristic? (A) hair length (B) clothing style (C) bone thickness (D) language skills
Example Output:
C