--- you disturb her with these annoying questions just when she was busy cooking dinner?
---Sorry, I that at that time.
A. Should, should have done
B. Shall; may have done
C. Must, should do
D. Must, should not have done
网友回答
A. Should, should have done
B. Shall; may have done
C. Must, should do
(答案→)D. Must, should not have done
解析：第一空的意思是既然她正忙于准备晚餐你为什么偏偏用这些烦人的问题打扰她呢？，第二空根据“Sorry”，说明“我”已这样做了， 所以第二空应该填“本不应该做某事”，所以填D。