M: Would you please tell me what time tomorrow the earliest flight to Guangzhou is?W: 8 am. But if you don't mind transferring at Changsha, it will be two hours earlier, at 6 am.What can we learn from the conversation?
选项：

A: The man would like to go to Changsha at 8 o'clock tomorrow morning.
B: The man's first destination is Changsha.
C: The man would like to go to Changsha at 6 o'clock tomorrow morning.
D: There is no direct flight to Guangzhou at 6 o'clock tomorrow morning.