Given the task definition and input, reply with output. 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: All cells share some of the same structures and basic functions., Fact2: Hair cells are also a type of skin cell., Question: what shares some of the same structures and basic functions? (A) hair and skin (B) sensory neurons (C) an organism's body (D) animals (E) volume and plants (F) gravity and clouds (G) density and humans (H) Veins and arteries.
A