human
Question: 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?

Choices:
A) Sunlight can be separated into all the colors of the rainbow.
B) Water reflects sunlight like a mirror to make it look colored.
C) Overhead black clouds reflect in puddles to cause a mirage.
D) Air pollution causes the sky to look colored under these conditions.
gpt
The correct answer is 0: Sunlight can be separated into all the colors of the rainbow..