need doing选择题

问题描述:

need doing选择题
( )--Can I use your mobile phone?
--Sorry.My mobile phone______.
A.need to repair B.needs repaired
C.need repairing D.needs repairing
可以指教是选C还是D吗?why?

D.
mobile phone是可数名词单数形式,所以C中要加上第3人称s