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: What requires energy for growth? (A) a car (B) a hippopotamus (C) a house (D) a desk
Example Output: B

Example Input: wind is used for producing (A) cupcakes (B) smores (C) excited particle flowing (D) plants
Example Output: C

Example Input: With the apple tree chopped down, there was now no place for (A) apples (B) apple pies (C) falling leaves (D) bird's nests
Example Output:
D