(2013·天津，9)No one________ be more generous；he has a heart of gold.

A．couldB．mustC．dareD．need

A

解析考查情態(tài)動(dòng)詞。句意：不可能有人比他更慷慨；他有一顆善良的心。can't/ couldn't表不可能，故答案選A。

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