I can’t remember you started doing the work.A. that it was whenB. when it was thatC. when

问题补充：

I can’t remember you started doing the work.

A. that it was when

B. when it was that

C. when was it that

D. that was it when

答案：

A. that it was when

(答案→)B. when it was that

C. when was it that

D. that was it when

解析：考查特殊疑问句的强调句做宾语从句：特殊疑问句的强调句结构是：疑问代词或副词+ is/was+ it +that+其它成分。因为在句中做宾语从句，只需将is/was 放it后即可，句意：我不太记得你是什么时候开始工作的。选B。