it is not you but mr.anderson who to answer for the accident a.are b.is c.have d.has 填什么?为什么
问题描述：
it is not you but mr.anderson who to answer for the accident a.are b.is c.have d.has 填什么?为什么
答
who作主语谓语动词用单数,故排除A和C
have to固定搭配,不得不,单三：has to,故选D