Q: What living thing has collected and grown fungus as a source of food for thousands of years?\nOptions:\n- (A) humans\n- (B) grocery stores\n- (C) honeybees\n- (D) animals\n- (E) pigs\n- (F) fungi\n- (G) trees\n- (H) plants
Let's think step by step below.

User
Humans have collected and grown mushrooms for food for thousands of years. Yeast and mushrooms are types of fungus. Humans have collected and grown fungus for food for thousands of years.
Thus, the answer is (A).
Assistant