Instructions: You are given a science question (easy-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.
Input: A coach is standing at the finish line of a race. He is holding a stopwatch. What is the coach most likely measuring with the stopwatch?
(A) the time of day (B) the distance of the race (C) the time it took to run the race (D) the number of steps taken by the runners
Output:
C