In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

Fact1: a rainbow is formed by refraction of light by separating light into all different colors, Fact2: Color is the same as wavelength ., Question: What is formed by refraction of light by separating light into all different wavelengths? (A) an object (B) bushes (C) a prism (D) a rainbow (E) a cloud (F) heterotrophs (G) a mirror (H) photons
D