It was because of the bad weather the football match had to be put off.A. soB. so thatC.

问题补充：

It was because of the bad weather the football match had to be put off.

A. so

B. so that

C. why

D. that

答案：

A. so

B. so that

C. why

(答案→)D. that

解析：考查强调句型，强调句型的结构为：it is/was + 被强调的部分+ that，此题强调的是主语because of the bad weather，句意：就是因为坏天气足球赛不得不被推迟。所以选D。