Was it because of the bad weather the sports meeting had to be put off till next Friday?A

问题补充：

Was it because of the bad weather the sports meeting had to be put off till next Friday?

A. why

B. what

C. that

D. which

答案：

A. why

B. what

(答案→)C. that

D. which

解析：考查强调句的一般疑问句：Is/Was it +强调部分+that….,强调的是原因状语because of the bad weather，句意：是因为恶劣的天气运动会不得不被推迟到下周五吗？选C。