No sooner than we reached the top of the hill ___ we all sat down to rest.
问题描述：
No sooner than we reached the top of the hill ___ we all sat down to rest.
A. when
B. than
C. then
D. until
请教!
(我觉得选B,但不肯定)
答
A
no sooner 后已接了THAN
用WHEN表示在那时