--- Why don’t you ride your bicycle today?
--- Oh, it broke down. It now.
A. is repairing
B. is being repaired
C. is repaired
D. will repair
网友回答
A. is repairing
(答案→)B. is being repaired
C. is repaired
D. will repair
解析：本题考查现在进行时的被动式。说话人告诉对方没骑自行车的原因是自己的自行车出故障了，正在修理中。