问题
                    
Do you know Ann Watterson very well—Yes, she used to be ______ coach and in ______ charge of our school team.
                            A:a the
B:the the
C:a 不填 D不填 不填
D:不填 不填
                        
                        B:the the
C:a 不填 D不填 不填
D:不填 不填
正确答案是:
                        