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: A squirrel likely (A) stores food for the summer (B) stores food for upcoming harsh conditions (C) has little need to store food (D) stores food for the spring
Example Output: B

Example Input: Though fossil fuels and their byproducts will eventually be used up completely, we'll still have (A) gasoline (B) coal (C) plastics (D) light from stars
Example Output: D

Example Input: Thermometers (A) can tell you if you need an umbrella that day (B) can tell you which direction the wind is blowing (C) can help you decide how many layers of clothes to wear outside (D) can tell you how much rain has fallen
Example Output:
C