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.
Q: When you are riding a bicycle at night, your bicycle's reflectors help people in cars see your bicycle. How do bicycle reflectors work?
(A) They are made of a special material that gives off its own light. (B) They are hooked up to batteries that allow them to produce light. (C) They bounce light back from other sources. (D) They are covered with paint that glows in the dark.
A:
C