问题
                    
14 — Excuse me Do you happen to have change for a 50-pence piece? — __________ I’ve just used up all my coins
                            A:I don’t believe so
B:I can’t agree more
C:I’d rather not
D:I’m afraid not
                        
                        B:I can’t agree more
C:I’d rather not
D:I’m afraid not
正确答案是:
                        