单选题
According to the study by Thorpe, a chaffinch reared in isolation after its birth ______.
A、
never sings
B、
cannot learn songs from other species of birds
C、
never sings as well as other chaffinches
D、
sings the same song all the time
【正确答案】
C
【答案解析】
文章第二段说,根据Thorpe的研究,如果一只苍头燕雀从出生起就与同类隔绝,那么它只能发出十分简单的叫声,并且永远也无法学会像它的同类那样呜叫,因此选C。
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