-----Li Ping told me that he overslept this morning.
-----Oh, he rarely used to oversleep, ?
A. usedn’t he
B. was he
C. didn’t he
D. did he
网友回答
A. usedn’t he
B. was he
C. didn’t he
(答案→)D. did he
解析：考察反义疑问句。反义疑问句一般遵循前肯定后否定，前否定后肯定的原则。当前文含有否定性词语时，按否定句处理，并且问句时态要与前文保持一致。本句前文为过去时态，含有否定性词语rarely，故后面用肯定形式，选D。