问题
My mother says she will cancel the family trip. I really can’t understand.— . You were looking forward to it.
A:It doesn’t matter
B:It’s very unwise of her
C:Don’t worry about it
D:You must be sorry about it;
B:It’s very unwise of her
C:Don’t worry about it
D:You must be sorry about it;
正确答案是：
