问题补充：
No sooner to school the bell for the first class began this morning.
A. had I got; when
B. I had got; than
C. had I got; than
D. did I get; when
答案：
(答案→)A. had I got; when
B. I had got; than
C. had I got; than
D. did I get; when
解析：本题考查倒装和固定句式。no sooner…… than一＂……就……＂。no sooner位于句首，句子要倒装。
