The causative agent of Lyme disease is ________, which is carried primarily by
the ________.
A) a flavivirus / Ixodes sp. (deer tick)
B) Yersinia pestis / Xenopsylla cheopis (rat flea)
C) Rickettsia prowazekii / Culex species (mosquito)
D) Borrelia burgdorferi / Ixodes sp. (deer tick)
E) Neisseria gonorrhoeae / Trichodectes pinguis (chewing lice)