I arrived at work. The assistant knocked at the do...

Câu hỏi: I arrived at work. The assistant knocked at the door.

A Hardly had I arrived at work then the assistant knocked at the door.

B No sooner had I arrived at work than the assistant knocked at the door.

C I hardly knew the assistant knocked at the door as I just arrived at work.

D I had to arrived at work as the assistant knocked at the door.