—Peter are you going fishing tomorrow? —Yes. But I at home if it .A. will stay is going

问题补充：

—Peter, are you going fishing tomorrow?

—Yes. But I at home if it .

A. will stay, is going to rain

B. will stay, rains

C. stay, will rain

D. stay, is going to rain

答案：

A. will stay, is going to rain

(答案→)B. will stay, rains

C. stay, will rain

D. stay, is going to rain

解析：句意：彼得，你明天要去钓鱼吗？——是的，但是如果下雨，我就呆在家里面。结合语境可知下文主句描述的是将来某时发生的动作，故用一般将来时态。当主句描述将来动作时，条件状语从句用一般现在时态表示将来动作，故选B。