The volleyball match will be put off if it. A. will rain　B. rains　C. rained　D. is rained

问题补充：

The volleyball match will be put off if it.

A. will rain

B. rains

C. rained

D. is rained

答案：

A. will rain

(答案→)B. rains

C. rained

D. is rained

解析：真实条件句主句为将来时，从句用一般现在时。