It was his nervousness in the interview probably lost him his job.A. whichB. sinceC. thatD

问题补充：

It was his nervousness in the interview probably lost him his job.

A. which

B. since

C. that

D. what

答案：

A. which

B. since

(答案→)C. that

D. what

解析：为强调句型，被强调成分为 his nervousness in the interview，句意为“很可能是面试时表现出紧张，使他失去了这份工作”。