What is not a cell?\nOptions:\n- (A) all matter\n- (B) layers of fat\n- (C) illness\n- (D) bacteria\n- (E) influenza\n- (F) Leptospirosis\n- (G) an object\n- (H) hydrocarbons Let's solve this problem gradually.

User
Viruses are not cells. Influenza viruses mutate. Influenza is not a cell. So the final answer is (E).
Assistant