听一段材料，回答下面几个小题。
Why does the lady never travel on Platform 13?
A.She thinks 13 is an unlucky number.
B.It is too difficult for her to walk there.
C.The platform is too high.
Who does the lady want to see?
A.Her friend.
B.Her husband.
C.Her sister.
When will the train leave?
A.Half past three.
B.Half past four.
C.Half past five.