【正确答案】
C
【答案解析】[听力原文]
I want to give you an update on the plans for launching our new beverage, 'Vitapower.' As you know, we had planned to release them next month. Unfortunately, there was an unexpected delay. Based on customer's feedback, we redesigned the logo and the label design, which pushed back the production schedule. In addition to the logo, we decided to put the pictures of famous singers on the label. Now that the redesign is finished, we are going to start our marketing campaign with an advertisement on national television, If you direct your attention to the screen at the front of the room, you'll see what millions of viewers will start seeing next week.
[解析] 问题是询问文章的主题，通过文章开头部分提到的I want to give you an update on the plans of launching our new beverage, 'Vitapower.' 可以得知，说话者是就新产品的上市进行说明。所以选项C为正确答案。
【正确答案】
B
【答案解析】[解析] 问题是询问产品推迟上市的原因。通过Based on customer's feedback, we redesigned the logo and the label design, ～. 可以得知，因为要更换标志和商标的设计，所以推迟上市。