Instructions: 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").
Input: When would the days be the longest 1000 miles north of the equator? (A) the same time that the nights are the longest (B) in the month of March (C) 6 months after Christmas (D) in the fall season
Output:
C