It is his dishonesty leads to his failure in his struggling for the job.A. whatB. whichC.

问题补充：

It is his dishonesty leads to his failure in his struggling for the job.

A. what

B. which

C. who

D. that

答案：

A. what

B. which

C. who

(答案→)D. that

解析：考查强调句型。It is+被强调的部分+that+其它，题中强调的是主语 his dishonesty。