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: The circulatory system brings oxygen to the body from where? (A) The chest (B) The brain (C) The feet (D) The stomach
Example Output: A

Example Input: A badger is birthed with behaviors that are (A) learned (B) found (C) intuitive (D) useless
Example Output: C

Example Input: A creek flows slowly, and the water runs very gently, yet if a leaf tumbles into it (A) it will relocate (B) it will melt (C) it will cry (D) it will hold
Example Output:
A