Under no circumstances that I would meet so many problems when I decided to take the job．
A. do I expected
B. have I expected
C. I expected
D. did I expect
网友回答
A. do I expected
B. have I expected
C. I expected
(答案→)D. did I expect
解析：考查倒装结构。句中否定词Under no circumstances在句首，主句的主谓倒装，根据语境时态用一般过去时，选D。