___there many times,she knew where to find the chief engineer's office.A Being B Having been C ...
问题描述：
___there many times,she knew where to find the chief engineer's office.A Being B Having been C ...
___there many times,she knew where to find the chief engineer's office.A Being B Having been C Had been D To be
答
B Having been 这是分词短语做状语.因为发生在knew动作之前,故用完成时