What does the first sentence (Para. 4) most likely mean?
A.It is hard for bookstores to please customers and earn money at the same time. B.It is difficult for bookstores to work out right ways to please customers. C.It is rather common for customers not to be able to afford the books in the stores. D.It is necessary for bookstores to be customer-centered instead of money-centered.正确答案A
