—I paid 200 dollars for the necklace. I think it's much too expensive.
—Expensive? I don't agree with you. You so before you it.
A. should have said; bought
B. have said; bought
C. had said; buy
D. must have said; should buy
网友回答
(答案→)A. should have said; bought
B. have said; bought
C. had said; buy
D. must have said; should buy
解析：这里考查的是虚拟语气。should have done“本应该干却没干”。