问题
Shall we meet at the station at 8 a.m–––In fact we ________.The train _______until 10 a.m.
A:mustn’t ; doesn’t leave
B:mustn’t ; leaves
C:needn’t ; won’t leave
D:needn’t; will leave;
B:mustn’t ; leaves
C:needn’t ; won’t leave
D:needn’t; will leave;
正确答案是：
