请选择DCBA0c;Q:S/I8g They will go to the Great Wall if it _____ tomorrow.0V1H'g1l'l2u2j6P
A. isn’t rain0V1H'g1l'l2u2j6P
B. rains0V1H'g1l'l2u2j6P
C. doesn’t rain0V1H'g1l'l2u2j6P
D. won’t rain0V1H'g1l'l2u2j6P