Hardly ____the door when he rushed into the office out of breath.

问题描述:

Hardly ____the door when he rushed into the office out of breath.
30.Hardly ___________the door when he rushed into the office out of breath.
A.I opened B.did I open C.I had opened D.had I opened
为啥不是B?

顺序调回去是,when he rushed into the office out of the breath,i had not opened the door.
他气喘吁吁的冲进来时,我还没有来得及开门.过去的过去,had done.