问题
                    
The weather report says we are expecting another big snow storm tomorrow. — ________ . I planned to go mountain climbing with my classmates.
                            A:I hope so;
B:Bad luck;
C:Sounds good;
D:I'm afraid so;
                        
                        B:Bad luck;
C:Sounds good;
D:I'm afraid so;
正确答案是:
                        