What will happen to patrons if their library materials become overdue while the library is closed and they do not renew or return them? A．They will have to pay a fine. B．They will be required to use branch libraries. C．They will not be charged at all. D．They will lose their library privileges.
A.They B. B．They C. C．They D. D．They E.
【参考答案】
A 解析：通知、启事一般用以传达某些信息，而那些大写、斜体、黑体或加下划线的内容往往是发布者着意强调、突出的内容......