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 pairs would likely be consumed by squirrel families? (A) bones and feathers (B) turkey and rocks (C) cardboard and sand (D) peanuts and crackers
Example Output: D

Example Input: energy is required for survival, and this is primarily delivered by (A) the moon shining at night (B) the fifth planet from the sun (C) the closest star to our planet (D) the vast ocean body
Example Output: C

Example Input: A quail's life starts after it leaves the (A) farm (B) country (C) calcium housing (D) earth
Example Output:
C