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: A plastic toy reduced to a puddle was left on a (A) steep mountain (B) iceberg (C) government propaganda flick (D) hotplate
Example Output: D

Example Input: a typical rabbit diet includes (A) crickets (B) mice (C) fish (D) weeds
Example Output: D

Example Input: Which might need warm asphalt to help regulate its body temperature? (A) whales (B) dolphins (C) rattlesnakes (D) squid
Example Output:
C