—Happy birthday!
—Thank you！It's the best present I for.(2012·江苏)
A. should have wished
B. must have wished
C. may have wished
D. could have wished
网友回答
A. should have wished
B. must have wished
C. may have wished
(答案→)D. could have wished
解析：句意：——生日快乐！——谢谢！这是我原来希望能够得到的最好的礼物。A项意为“本该希望”；B项意为“想必/准是希望”；C项意为“或许已经希望”。A、B、C三项均不符合题意，所以排除。故答案为D项。