Denise was driving east over a hill in the afternoon, shortly after a rain shower. Suddenly the sun broke through the clouds, and she saw a rainbow ahead of her. Which of the following made the rainbow possible?

Answer:
think it is A. I could be wrong but I am almost 100% sure I am right
Explanation:
Answer: A. Raindrops act like a prism and separate the white light in sunlight.
Explanation: