We arrived at the conference. Then we...

Câu hỏi: We arrived at the conference. Then we realized that our reports were still at home.

A No sooner had we realized that our reports were still at home than we arrived at the conference.

B Only after we arrived at the conference did we realize that our reports were still at home.

C Not until we arrived at the conference that we realized that our reports were still at home.

D Hardly had we arrived at the conference than we realized that our reports were still at home.