【正确答案】 B

【答案解析】[听力原文]
M: Thank you for calling National Beverage Supply. Our office is currently closed. If you know the extension of the party you wish to speak to, please dial that number now. Please listen closely to the following menu options as they have recently changed. For information on opening a new account, please dial 1. Current account holders who wish to place a new order, please dial 2. For questions regarding a delivery scheduled for today, please hang up and dial 839- 3491. For general inquiries, please stay on the line and leave a message. Please clearly state your name, company, and phone number, and someone will return your call as soon as possible.

选项B正确，说话人说他们办公室现在关门了，如果办公室开着，就不会播放电话留言。选项A、C和D错误。

【正确答案】 C

【答案解析】选项A是开户。选项B是下新的订单。选项C正确，说话人称会拨打另一个电话号码。选项D是询问一个一般问题。

【正确答案】 D

【答案解析】选项D正确，说话人说会有人回电话的。选项A、B和C错误。