头等舱旅客登基后，如何问候？（）
A.May I introduce myself?
B.I am Helen, the cabin manager of this flight.
C.It’s my pleasure to provide you with cabin service.
D.Wish you a pleasant journey.
正确答案： May I introduce myself?；I am Helen, the cabin manager of this flight.；It’s my pleasure to provide you with cabin service.；Wish you a pleasant journey.