74. What is the main topic of the passage?
(A) The history of elephant domestication
(B) The use of elephants in African agriculture
(C) The dangers posed by elephants to humans
(D) The physical and behavioral traits of African elephants
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統計: A(1), B(1), C(4), D(34), E(0) #3455030
統計: A(1), B(1), C(4), D(34), E(0) #3455030