No sooner had we sat down ______we found it was time to go.

题目

No sooner had we sat down ______we found it was time to go.
A.than
B.when
C.as
D.while

答案

选A.
no sooner...than的意思是“一……就”
整句话的意思是 我们一坐下来就发现是时候出发了