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").
Q: Fact1: a circle graph can be used to display percents, Fact2: Fractions are sometimes expressed as a percent ., Question: A circle graph can be used to display (A) antigens (B) Cladistics (C) Fractions (D) several genes (E) formulas (F) fragments (G) Chemicals (H) light
A:
C