---What’s wrong with your cell phone? I can’t get through.
--- Oh, my line was cut off because I my bill.
A. haven’t paid
B. hadn’t paid
C. wasn’t paying
D. don’t pay
网友回答
A. haven’t paid
(答案→)B. hadn’t paid
C. wasn’t paying
D. don’t pay
解析:本题考查时态。根据“我的线路被切断了”是过去发生的事情,而应为我没有付我的账单是在“我的线路被切断了”之前,故用过去完成时。选B。