A passenger asks about the difference between a refundable and non-refundable ticket.You should：

A passenger asks about the difference between a refundable and non-refundable ticket.You should：
A.Say there's no difference.
B.Clearly explain that a refundable ticket allows for refunds under certain conditions while a non-refundable one usually doesn't， except in special circumstances.
C.Confuse the passenger with jumbled information.
D.Recommend only non-refundable tickets.
正确答案：B
试题解析：当乘客询问可退款机票和不可退款机票的区别时，客服人员应清晰明确地向乘客解释。