I________you a beautiful present for your birthday,but I was short of money at that time.
A. would buy B. had bought C. would like to have bought D. must have bought
I________you a beautiful present for your birthday,but I was short of money at that time.
A. would buy B. had bought C. would like to have bought D. must have bought
C
从 but 引导的分句可看出,前一分句是与过去事实相反的假设。