A、On Thursday evening. B、On Friday evening. C、On Sunday. D、On Saturday. C本题的问题关键词是when。对话中出现了三个日子，本题问男士观看表演的日子，所以是Sunday，选C。

W: What can I do for you?
M: Yes, I would like some tickets for next week’s performance.
W: Which performance do you wish to attend? There will be three: Thursday and Friday evenings and then on Sunday.
M: Are there still seats available for all three performances?
W: Not many and very few together. How many tickets do you want?
M: Just two preferably together. The date is less important.
W: I have two together in the last row for Sunday’s performance.
M: That would be fine. How much are they?
W: $10 each. $20 for the two tickets.
M: Yes, here you are. Thank you.
W: You’re welcome.
8. How many performances are there available now?
9. When will the man attend the performance?
10. How much does one ticket cost?