Use reasoning to answer the following question.
What have humans collected and grown as food for thousands of years?\nOptions:\n- (A) sunlight\n- (B) fungi\n- (C) plants\n- (D) rocks\n- (E) fungus\n- (F) salmon\n- (G) ferns\n- (H) poison

(B)
Humans have collected and grown mushrooms for food for thousands of years.

Mushrooms are also fungi.

Humans have collected and grown fungi for food for thousands of years.

.

Therefore, the answer is (B)