题目内容：

_____,Tom got to school on time
A.Helped by a driver B.Tom was helped by a driver
c.Helping by a driver D.To be helped by a driver
我选的是A ,对么?这题考哪一知识点啊?

优质解答

选A "在司机的帮助下,汤姆按时赶到了学校."
【考点】考的是非谓语动词.
【分析】主语Tom和动词help是被动关系,“汤姆被司机帮助”,所以排除C.ABD都是被动,但B本身是一个句子,不能选.D是不定式,表示“为了...”,这里不是这个意思.