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: How is a place of lower elevation affected by flooding when compared to a higher location? (A) It is more resistant than a higher place (B) The lower area is already flooded (C) It is more affected by the flood (D) It is impossible to flood a lower elevation location
Example Output: C

Example Input: A container with a printed scale on it's side is used to (A) measure weight (B) hold flowers (C) hear through doors (D) measure volume
Example Output: D

Example Input: A change to the environment can be (A) a toad finding a home (B) turtles eating small pellets (C) birds swimming in a pond (D) flowers poking through snow
Example Output:
D