Woman: Did you find the book for your reading assignment in the library？ Man: It closed be

Woman: Did you find the book for your reading assignment in the library？ Man: It closed before I got there. I had no idea it closes so early on weekends. Question: What does the man mean？

A．He didn"t get the book he needed.

B．He had no idea where the book was.

C．The library is closed on weekends.

D．He was not allowed to check out the book.

请帮忙给出正确答案和分析，谢谢！