5. Malaria is a(n) _____ disease. Its symptoms of chills and fever can keep reappearing for many years.
(A) bureaucratic
(B) mandated
(C) raucous
(D) tenacious
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統計: A(55), B(59), C(69), D(228), E(0) #863661
統計: A(55), B(59), C(69), D(228), E(0) #863661