题目内容：

听下面一段较长对话，回答以下小题。

1.What time is the man’s ticket for？

A. 7：45.    B. 5：10.    C. We don’t know.

2.What do we know about the 6：45 United flight？

A. It is ten minutes late.

B. It leaves for Miami.

C. It arrives in Baltimore.

3.What can be concluded from the conversation？

A. The man has no choice but to change his connecting flight.

B. The flight for Baltimore will be delayed for more than two hours.

C. The woman has succeeded in putting the man on the delayed flight.