49. Which of the following is NOT a reason why some monkeys are described as troublesome?
(A) They are endangered.
(B) They are annoying.
(C) They spoil crops.
(D) They eat young fruits.
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統計: A(115), B(70), C(47), D(46), E(0) #2265859
統計: A(115), B(70), C(47), D(46), E(0) #2265859