If you ________ go, at least wait until the storm is over.

If you ________ go, at least wait until the storm is over.
A、must
B、can
C、may
D、need
【正确答案】：A
【题目解析】：must：必须。符合句意。译文：如果你必须要走，至少等到暴风雨结束。