I can't remember__________ you started doing the work.A.that it was when B.when it was that C.when was it thatD.that was it when 正确答案是B,为什么答案不是C?

I can't remember__________ you started doing the work.A.that it was when B.when it was that C.when was it thatD.that was it when 正确答案是B,为什么答案不是C?
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 正确答案是B,为什么答案不是C?

I can't remember__________ you started doing the work.A.that it was when B.when it was that C.when was it thatD.that was it when 正确答案是B,为什么答案不是C?
因为when在这里引导的是宾语从句,用陈述语序,it was that 是强调句型,多读些,增强语感就不会错了,希望能够帮到你.

因为 it 要在 be动词 的前面~

因为when在这里引导的是宾语从句，要用陈述语序

B
用陈述句语序

从句中的语序为一般句

步骤：
It was ...that you started doing the work.
When was it that you started doing the work?
when it was that you started doing the work.