---May I use your puter, Alex?
---Sorry. Mine .
A. has repaired
B. is being repaired
C. has been repaired
D. is repairing
网友回答
A. has repaired
(答案→)B. is being repaired
C. has been repaired
D. is repairing
解析:考查时态及语态。句意:阿历克斯,我可以用你的电脑吗?——抱歉。我的正在维修中。结合语境可知下文描述的是正在进行的动作,用进行时态,主语是动作对象,故用被动语态,选B。