问题
                    
Do you know if _____ back next week? If he _____ back, please let me know.
                            A:he comes, will come
B:will he come, comes
C:he will come, comes
D:will he come, will come
                        
                        B:will he come, comes
C:he will come, comes
D:will he come, will come
正确答案是: