A passenger requests a refund for a ticket they bought for a friend who can no longer travel. What do you need？

A passenger requests a refund for a ticket they bought for a friend who can no longer travel. What do you need？
A.A written authorization from the ticket - holder （the friend）.
B.The passenger's credit card details.
C.The friend's favorite book.
D.The passenger's home address.
正确答案：A
试题解析：当乘客为不能出行的朋友申请退票时，因为涉及他人的票务权益，所以需要得到票的持有者（朋友）的书面授权，以确保退票行为是经过本人同意的。