is no good without doing anything.A. This; talkingB. It; to talkC. It; talkingD. That; t

问题补充：

is no good without doing anything.

A. This; talking

B. It; to talk

C. It; talking

D. That; to talk

答案：

A. This; talking

B. It; to talk

(答案→)C. It; talking

D. That; to talk

解析：句意：只说不做没有好处。因为这里no good 后跟doing，主语应该用形式主语it，故用C。