He tried to make clear that he did an important job.A. thisB. thatC. itD. \

问题补充：

He tried to make clear that he did an important job.

A. this

B. that

C. it

D. \

答案：

A. this

B. that

(答案→)C. it

D. \

解析：可联系答.案.网客服索取。