【单选题】

Man: The problem is that I don’t get paid until tomorrow, but I must register forDr. Martin’s class.Could you hold a place for me until then

Woman: You know that without full payment we are not allowed to reserve spaces in a class.
Question: What does the woman mean
A．The man has to wait and take his chances.
B．The man must pay now or he won’t have a chance to get registered in the class.
C．She could help the man the way he wisheD、
D．Spaces can be reserved if partial payment is mad