The reason they were fired was they were not honest.A. for ;becauseB. why ; thatC. for ;th

问题补充：

The reason they were fired was they were not honest.

A. for ;because

B. why ; that

C. for ;that

D. why ;because

答案：

A. for ;because

(答案→)B. why ; that

C. for ;that

D. why ;because

解析：考查名词性从句。句中考查the reason why … was that …“……的原因是……”结构，why引导定语从句，that引导表语从句。故选B。