— Do I have to sell my old computer? It almost stops working.
— You ________ do so, it only needs ________. Something has gone wrong with it.

A．mustn’t; to repair

B．can’t; repairing

C．needn’t; repairing

D．may not; to repair

科目 英语   题型 单选题   难度 中等

知识点： 情态动词的被动语态