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: Blind people are unable to see what the shapes of things are, but they can still sense it thanks contacting it via their (A) flying (B) singing (C) smiling (D) hands
Example Output: D

Example Input: Being a nonrenewable resource means coal (A) is highly sought after as an alternate energy source (B) can be replaced and replenished with enough time (C) the industry one day will cease to exist (D) is flourishing with an unending supply
Example Output: C

Example Input: When there is an increase in atmospheric temperature, then (A) glaciers become too large (B) global sea level decreases (C) Antartica and Greenland icebergs will melt (D) Earth absorbs less sunlight
Example Output:
C