39. According to the passage, which of the following statements about Amici is TRUE?
(A) He used a glass droplet to enlarge the specimen almost 300 times.
(B) His enhanced image resolution led to the theory that plants contain similar cells.
(C) His drawings of microorganisms led to the popularization of the microscope in many circles.
(D) His microscopes allowed the viewer to see microorganisms, including bacteria.