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: You can use what to fake sunlight for plants? (A) love (B) a flash light (C) breathing (D) water
Example Output: B

Example Input: do all insects have to undergo every stage of change before becoming full grown? (A) all of these (B) insects are born live (C) pupa stage is sometimes skipped (D) pupa is a required stage
Example Output: C

Example Input: If a young tern is found in a locked box, dead, without marks on it, a the most likely cause of death was (A) violent stabbing (B) accidental shooting (C) ceremonial burning (D) untouched asphyxiation
Example Output:
D