________, we went for a swim．

________, we went for a swim．

A.Being hot

B.It being hot

C.As it is hot

D.It was hot

答案及解析： B

解析：

主句和空格处的主语不一致，不能说“我们是热的”，因此排除A项；C项时态错误；D项缺少连词，故选B项。it代天气，和being hot构成独立结构。