问题
选择题
asleep a knock at the door awakened her．
A．Scarcely had she fallen than
B．No sooner did she fall; than
C．Hardly she had when when
D．Scarcely had she fallen; when
答案
答案：D
考查倒装。hardly(scarcely)…when … 或“no sooner…than… 结构表示“一……就……”。主句用主谓倒装结构。选D。