Time I can have done it better. A. permit B. be permitted C. permitting D. to permit

问题补充：

Time, I can have done it better.

A. permit

B. be permitted

C. permitting

D. to permit

答案：

A. permit

B. be permitted

(答案→)C. permitting

D. to permit

解析：考察非谓语动词.句意:时间允许的话,我能做的更好.现在分词作定语表示正在进行的伴随性动作,和被修饰词是主谓关系,故选C.