The football match , crowds of people poured out into the street.
A. was over
B. has been over
C. being over
D. had been over
网友回答
A. was over
B. has been over
(答案→)C. being over
D. had been over
解析：考查独立主格结构。句意“足球赛结束了，人群流进了街道。”两个分句的主语不一致的时候，要分别加上自己的主语，这就是独立主格结构。前一个分句表示的是原因，后一分句是结果。Match和be over之间是主谓关系，用现在分词。故选C。