问题
                    
How much should I pay for the food, Sir— It costs ______. The food is free on our ship. ______ needs to pay for it.
                            A:nothing; Nobody
B:none; Anybody
C:none; No one
D:nothing; Everybody;
                        
                        B:none; Anybody
C:none; No one
D:nothing; Everybody;
正确答案是:
                        