18.No sooner ---- begun to speak ----- I sensed that something was wrong.
18.No sooner ---- begun to speak ----- I sensed that something was wrong.A.he has;when B.he had;than C.had he; than D.did he; when
这是什么句型,请给我讲讲这种语法,选详解清楚的为最佳答案,.