______ no bus,we had to walk home.A.There being B.Being C.Having been D.There wa讲清楚原因!

问题描述:

______ no bus,we had to walk home.A.There being B.Being C.Having been D.There wa
讲清楚原因!

选A,在一般情况下,应该是选"B"的(非谓语),但是显然,如果这样做的话,这句话的主语不一致,所以要用独立主格的结构,即主语1+非谓语结构+主句.