聽(tīng)材料，回答問(wèn)題。
（1）When did this happen？
A.One evening.
B.One night.
C.One morning.
（2）How，many persons were there in the room when someone was knocking at the door？
A.One person.
B.Two persons.
C.Three persons.
（3）What did the young man wear？
A.A white shirt.
B.Long trousers.
C.A pair of glasses.
（4）Who was the young man？
A.A friend of the writer's.
B.A friend of the writer's brother's.
C.A strange man to them.
（5）What might be the end of the story？
A.The police took away the young man.
B.The young man became their friend.
C.The young man ran away.