【正确答案】 C

【答案解析】[听力原文]
Ladies and gentlemen, may I have your attention, please! I'd like to welcome you to the opening of our new gallery for photographic and video art. We, at the institute of modern art, are excited to present works by four of the world's foremost photographic and video artists. All of the artists are here today to tell us about their latest works and current projects. They will also be autographing selected prints. The Capetown Jazz singers will move through the galleries performing for us throughout the evening. Light refreshments are available on the second floor. Thank you for your visit.

[解析] 该题询问展出的美术作品的种类，在本文开头提到We, at the institute of modern art,～photographic and video artists.由此可知展示的是照片和录像作品。

【正确答案】 B

【答案解析】[解析] 该题询问人数，相关数字会在对话中出现，所以要集中精力听数字。本文开头部分提到We,～by four of the world's foremost photographic and video artists.可以知道一共邀请了四位，后面说这四位将都会发言。

【正确答案】 B

【答案解析】[解析] 作为展示会，当然可能会有艺术作品鉴赏，本文后半部分提到有爵士歌手演唱，最后还说准备了茶点，由此可见除了B之外所有活动都有可能。