听短文，回答小题。
（1）When did this happen？
A.One afternoon.
B.One night.
C.One morning.
（2）How many persons were there in the room when someone was knocking at the door？
A.Three persons.
B.Two persons.
C.One person.
（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.He was a friend of the writer's.
B.He was a strange man to them.
C.He was the friend of the writer's brother.
（5）What was mostly the end of the story？
A.The young man was taken away by the police.
B.The young man became their friend.
C.The young man ran away.