28. Which title would be the most suitable for the passage?
(A) Monkey Hunters in Africa.
(B) Farming Methods in Malaysia.
(C) The Threat of New Viruses.
(D) A Cure for Animal Viruses.
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統計: A(0), B(0), C(25), D(1), E(0) #3473950
統計: A(0), B(0), C(25), D(1), E(0) #3473950