Please answer the following question by reasoning step-by-step.
Humans have collected and grown what for food for thousands of years?\nOptions:\n- (A) plants\n- (B) fungi\n- (C) ferns\n- (D) cheese\n- (E) fungus\n- (F) salmon\n- (G) hamburgers\n- (H) primates

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

Mushrooms are an example of fungi.

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

.

So, the answer is (B)