问题
                    
Hello, May I speak to Mr Black?—Sorry, he ______ Hong Kong for a meeting and he______ back in a week.
                            A:went; was
B:has been to; will be
C:has gone to; has been
D:has gone to; will be
                        
                        B:has been to; will be
C:has gone to; has been
D:has gone to; will be
正确答案是: