Lily finally admitted my umbrella by mistake.A. to takeB. to have takenC. having takenD.

问题补充：

Lily finally admitted my umbrella by mistake.

A. to take

B. to have taken

C. having taken

D. have taken

答案：

A. to take

B. to have taken

(答案→)C. having taken

D. have taken

解析：考察非谓语动词。句意：莉莉最终承认了错误的拿了我的雨伞。动名词表示抽象的动作，如果动作发生在谓语动词之前，则需用完成时态的动名词。故选C。