阿摩線上測驗
39. According to the passage, animal young are most defenseless when
(A) their parents are away searching for food
(B) their parents have many young to feed
(C) they are only a few days old
(D) they first become independent
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統計： A(3), B(2), C(1), D(3), E(0) #2728303
統計： A(3), B(2), C(1), D(3), E(0) #2728303
