【单选题】

{{I}}Questions 14 to 17 are based on the following passage.At the end of the passage, you will be given 20 seconds to answer the questions.Now listen to the passage.{{/I}} According to the speaker, libraries are facing the problem of ______.

A、books are in poor condition
B．having too many books from the early 1800s
C．not having enough space to store government documents
D．having to import most of the paper they use