With his work completed the businessman stepped back to his seat feeling pleased he was a

问题补充：

With his work completed，the businessman stepped back to his seat，feeling pleased he was a man of action.

A. which

B. that

C. what

D. whether

答案：

A. which

B. that

C. what

D. whether

解析：B

解析pleased后面缺少宾语从句，he was a man of action句意完整，故用that引导。