问题 选择题

—Why didn’t you ring me up?  

—Sorry, I forgot your phone number. Otherwise, I _____ long before. [ ]

 A. had rung you up

B. must run you up  

C. would have rung you up

D. would ring you up

答案

答案:C

单项选择题 A1/A2型题
单项选择题