【正确答案】 B

【答案解析】man： What are you doing, Mary? woman： I'm reading a book about the Royal Library of Alexandria, it's very interesting. man： The Alexandria Library? Oh, I heard of it. It is very ancient, and it was founded at the beginning of the 3rd century BC, during the reign of Ptolemy II of Egypt. woman： Yes. The book says that the most significant feature of the library is that it has great research value, as it contains the compiled history of generations, not just of Egypt. This makes it different from other libraries. man： Really? It must contribute a great deal to human civilization. woman： Yeah, I agree with you. It is also said that the fifty thousand volumes in it are not codices but scrolls which were all made of papyrus and written by hand. man： Yes. So it's a pity that the library was destroyed，wasn’t it? woman： Exactly right.

【正确答案】 B