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").
--------
Question: If you see a mushroom on an old decaying log, its because a mushroom is a decomposer, which gets its food from (A) non-alive things (B) space (C) computers (D) the store

Answer: A


Question: What could be used to find out how much carpet is needed for a room? (A) a tape measure (B) a compass (C) a barometer (D) a beam balance

Answer: A


Question: You can find what on the crust of earth (A) clouds (B) stars (C) air (D) worms

Answer:
D