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The little girl        ,but her family was too poor at that time.
A．could go to school
B．could have gone to school
C．must have gone to school　
D．can have gone to school
B
對(duì)過(guò)去事情表示猜測(cè)，應(yīng)用情態(tài)動(dòng)詞的完成式。could have done表示“本有可能，但卻沒(méi)有”。
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