Given the task definition and input, reply with output. In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

which of these has the most similar component as the earth itself? (A) the stone in the yard (B) a loaf of bread (C) a can of soup (D) a glass of water
A