【正确答案】
B
【答案解析】[解析] 89-91
Attention, please. This is library office broadcasting. It's the subscription time of the third quarter. Subscription fees for the third quarter from July to September to all newspapers and magazines are to be handed in to our company's library in Room 409 before noon on Monday, June 21. Late payments will not be accepted. Thank you for your cooperation and your attention.