If you go to the party you a great time. A. haveB.will have C.had

问题补充：

If you go to the party, you a great time.

A. haveB.will have C.had

答案：

解析：在if 引导的时间状语句子，主句为一般将来时，从句用一般现在时，代替一般将来时，故选答案B