阿摩線上測驗
34. According to the passage, what has resulted from the cuckoo bird's reproductive strategy?
(A) Host birds have become extinct.
(B) Cuckoos have lost their ability to imitate eggs.
(C) Host birds have evolved better egg-recognition skills.
(D) Cuckoo chicks are no longer raised by other species.
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統計： A(0), B(1), C(8), D(1), E(0) #3954294
統計： A(0), B(1), C(8), D(1), E(0) #3954294
