单选题 Speaker A: Professor Lee, can I come to see you about my presentation this evening?
Speaker B: ______
A. Yes. Is 8 o'clock a convenient time?
B. Fine. Please come by Bus No.2.
C. No. Never mind.
D. Oh. That's my pleasure.

【正确答案】 A
【答案解析】[解析] 四个选项中，选项B、C、D只是表达了愿意与否而没有表达拜访的时间，正确答案应选A。