问题
                    
Good news. We will have a ______ holiday.–I’ve heard of it. But it’s coming in_______.
                            A:three days, here days’ time
B:three days’, three days’
C:three-day, three days
D:three days, three-day time
                        
                        B:three days’, three days’
C:three-day, three days
D:three days, three-day time
正确答案是: