A、2:30. B、2:00. C、1:30. D、3:00. A辨认题．此处出现多个时间，要注意辨认。男士问“演讲是2点还是3点开始?”，女士回答说是2：30开始，4点结束。因此选项A是正确答案。

M: Would you please give Mr. Jackson a message?
W: Sorry, Mr. Jackson is having a holiday in Chicago.
Q： What can we learn from the conversation?

M: Will the speech start at 2 or 3 o’clock?
W: No, it will start at 2:30 and ends at 4 o’clock.
Q: When will the speech begin?