If a passenger's flight is can-celled by the airline and they want a refund， you should：

If a passenger's flight is can-celled by the airline and they want a refund， you should：
A.You can only get a voucher， no refunds.
B.I'm sorry for the inconvenience. We will process your full refund immediately according to the airline's policy.
C.You have to wait for 3 months for the refund.
D.There's a processing fee for the refund.
正确答案：B
试题解析：因航空公司原因取消航班，按照惯例应根据航空公司政策为乘客立即办理全额退款，以弥补给乘客带来的不便。