we had to go home.A. There was no busB. We couldn' t find a busC. There being no busD.

问题补充：

, we had to go home.

A. There was no bus

B. We couldn t find a bus

C. There being no bus

D. There no bus

答案：

A. There was no bus

B. We couldn t find a bus

(答案→)C. There being no bus

D. There no bus

解析：考查独立主格结构，结构是名词或代词+非谓语动词，在本句中做一个原因状语．句意是：因为没有公共汽车，我们只好回家。选C

考点:考查独立主格结构

点评;独立主格结构的题目要分析句子成分，如果是AB的话，两个独立的句子连在一起，中间需要一个连词连接，比如SO．这样才符合英语语法习惯。