A passenger bought a non-refundable ticket but has a medical emergency. What should you do？

A passenger bought a non-refundable ticket but has a medical emergency. What should you do？
A.Non-refundable means no refund， no exceptions.
B.I'm sorry， but since it's non-refundable， there's nothing I can do.
C.Let me check if the airline has any special policies for medical emergencies. We may need some documentation.
D.You should have bought a refundable ticket.
正确答案：C
试题解析：当乘客购买了不可退票的机票但遇到医疗紧急情况时，客服人员应先查看航空公司对于医疗紧急情况是否有特殊政策，并告知可能需要相关的证明文件。