This is the reason she explained in the report for her success in the job.A. whatB. thatC

问题补充：

This is the reason she explained in the report for her success in the job.

A. what

B. that

C. how

D. where

答案：

A. what

(答案→)B. that

C. how

D. where

解析：考查定语从句。先行词是reason，但是因此处关系词代替先行词在定语从句中作宾语，故此处只能用that, which或省略。句意：这是她在报告中解释的她成功的原因。选B。