题目内容：
根据以下资料，回答题。Listening to Birdsong
What does the first paragraph say about zebra finches? A．Male zebra finches like to sing to female zebra finches．
B．Male zebra finches sing louder than female zebra finches．
C．Male zebra finches change their songs in female zebra finches’presence．
D．Male zebra finches like to listen to female zebra finches sing．
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