No sooner themselves in their seats in the theatre the curtain went up.A.they ha
来源：网络
时间：
推荐文章
No sooner _____ themselves in their seats in the theatre _______ the curtain went up.
A.they have settled; before
B.had they settled; than
C.have they settled; when
D.they had settled;than
试题答案
B
no sooner…than…,hardly…when…结构中，主句应用过去完成时的倒装结构。故选B。