单项选择题
[听力原文]
M: Hello, Mr. Smith. You look rather tired this morning. Did you have a difficult journey back from Scotland
W: Well, the business trip was successful but the train arrived four hours late and I didn’t go to bed until four o’clock.
A.His train was delayed.
B.The man’s business trip was successful.
C.His journey back form Scotland took him four hours.
D.He had little sleep last night.