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: Amphibians have sense organs to smell and taste chemicals., Fact2: Frogs are the most durable of the amphibians., Question: What compound or substance can frogs smell and taste? (A) herbicide (B) hydrocarbons (C) Chemicals (D) Acids (E) acetic acid (F) an object (G) thirst (H) Pesticides
A:
C