What's the main purpose of this passage?
A.To make people pay more attention to libraries.
B.To introduce the World Digital Library clearly.
C.To arouse people's awareness of protecting our culture.
D.To tell people how to take advantage of digital libraries.
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!