听一段材料，回答下面几个小题。
Why did the young couple give a party at home?
A. To celebrate that they had set up their first home.
B. To celebrate their happy marriage.
C. To celebrate the lucky buying of a new nice apartment.
Who were the guests?
A. All the member of bank.
B. All the friends of the young man's wife's.
C. All the friends of the young man's in the band.
Which of the following is true?
A. The young couple had chosen a good quiet apartment.
B. The couple received a call telling them they were lucky to have a quiet apartment.
C. The hostess didn't understand the phone call from the flat downstairs.