问题
                    
Do you know if he _______ to play basketball with us?–I think he’ll come if he __________ free tomorrow. [ ]
                            A: comes; is
B: comes; will be
C: will come; is
D: will come; will be
                        
                        B: comes; will be
C: will come; is
D: will come; will be
正确答案是: