His father got him a jib in a bank but soon it became clear he was not fit for that kind

问题补充：

His father got him a jib in a bank but soon it became clear he was not fit for that kind of work .

A. that

B. why

C. what

D. whether

答案：

(答案→)A. that

B. why

C. what

D. whether

解析：考查that引导的主语从句，句意：他爸爸给他在银行找了一份工作，但很快就很明显他不适合这种工作。It是形式主语，that引导的真正的主语从句，主语从句不缺成分，that只起到连接作用，没有含义。选A。