_____by the manager,the guests visited some departments of the company.

问题描述:

_____by the manager,the guests visited some departments of the company.
A .Accmpanying
B.ACCmpanied
C.Having accmpanied
D.Having been accmpanied

上面的答案是错误的 应该选B
因为客人是被经理陪着 所以应该用被动语态
因为又是非谓语 所以用过去分词表示那时的一种状态
C和D是表示在谓语动作之前所发生的事情
A是和谓语动作同步的事情 只不过是主动语态