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 makes a sound when you interact with it? (A) something invented by Pasteur (B) something invented by van Leeuwenhoek (C) something invented by Sax (D) something invented by Galileo
Example Output: C

Example Input: Organisms with only one cell (A) are prohibited from specializing (B) can freely specialize openly (C) are unsure what specializing is (D) learn how to specialize
Example Output: A

Example Input: To be environmentally friendly (A) use your feet to pedal somewhere (B) hop in a sedan (C) put the pedal to the metal in a truck (D) ride a motorcycle around town
Example Output:
A