Fact 1: Oxygen is essential for cellular respiration for all aerobic organisms. Fact 2: Fungi are aerobic organisms. Given the two facts above, which needs fungi need to survive?

Available choices:
(A). Energy;
(B). food;
(C). alveoli;
(D). oxygen;
(E). peat;
(F). bushes;
(G). bacteria;
(H). trees;
The answer is:
(D).