问题 选择题

___      three times in a row, the boxer decided to make a fourth attempt, though.

A.Having defeated

B.To have defeated

C.Having been defeated

D.To defeat

答案

答案:C

考查非谓语动词做状语。主语the boxer与defeat之间是被动关系,且分词的动作发生在谓语动词之前,所以用现在分词的完成被动式。所以选C。

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