______for weeks ,she could drive the bus.A.To be trained B.Having trained C.To have trained D.Having bee trained 为什么选A
问题描述：
______for weeks ,she could drive the bus.A.To be trained B.Having trained C.To have trained D.Having bee trained 为什么选A
答
答案D
分词短语作原因状语.表被动,完成,用Having been+ 过去分词
A 是不定式,不能作原因状语
请在客户端右上角评价点“满意”即可,