A、Credit card. B、Passport. C、Traveler’s cheques. D、I.D.card. C根据男士的问话可知他丢失了旅行支票，想知道女士是否可以为他联系支票发行方，要求偿还支票款项。

M: The formal yardstick of performance of a business is the financial statements. They are issued at periodic intervals.
W: You are right. I find the comparison of financial statements between one year and the next, particularly helpful in understanding a company’ s performance.
Q: What are they talking about?

M: Good morning! I’ ve lost my traveler’ s cheques. I wonder if you could get in touch with the issuing bank to claim refund for me.
W: Don’t worry, Sir. But I need some detailed information before I contact your issuing bank.
Q: What did the man lost?