the radio is broken,it needs_________.A.repairing B.to be repairing C.to repair D.be repaired

问题描述:

the radio is broken,it needs_________.A.repairing B.to be repairing C.to repair D.be repaired
应该是被动语态,但我觉得如果选D 那need to 就不成立了,难道be不是动词?

A.repairing,need后的动名词主动形式表示被动