为了计算航空运价，IATA把世界分成了（）个区域。

A.CSX-JFK-LAX
B.KMG-KIX-ICN
C.SHA-CSX-CAN
D.CTU-DMK-DEL

A.Wait a moment please，and I will check that for you.
B.Would you do me a favor.
C.Can I arrange a window seat for you.
D.I will call you later.

A.航班特殊旅客服务单
B.航班旅客名单
C.航班申报单
D.航班中断舱单