A passenger wants to buy a ticket using a voucher. You should：

A passenger wants to buy a ticket using a voucher. You should：
A.Refuse to accept the voucher.
B.Check the voucher's validity， terms， and apply it to the ticket purchase.
C.Charge extra when using the voucher.
D.Ask for more money even with the voucher.
正确答案：B
试题解析：当乘客想用代金券购票时，客服应检查代金券的有效性和使用条款，确保其符合要求后将其应用于购票流程。