听一段材料，回答下面几个小题。
What does the man show to the woman?
A.His visa.
B.His ID card.
C.His passport.
What does the woman suggest the man do?
A.Take his luggage with him.
B.Carry less luggage.
C.Check his luggage.
Where are the speakers?
A.At a bus stop.
B.At an airport.
C.At a railway station.