【正确答案】
D
【答案解析】[听力原文]
W: Good evening, ladies and gentlemen, and welcome to tonight's performance of La Traviata. The part of Violetta will be played tonight by the understudy, Madeline Abel. We would also like to remind you that the use of any photographic or recording devices is strictly prohibited. For the comfort and enjoyment of all patrons, please take this moment to turn off all cell phones and pagers or set your ringers on vibrate, and also unwrap any cellophane-wrapped candies. Thank you, and enjoy the performance.
选项A错误,会议上通常会有讲话,而不是表演。选项B错误,教室里不太可能上演歌剧。选项C错误,录音棚中通常没有观众。选项D正确。