听短文，根据短文内容选择正确答案。Why does Mrs Lin want to move out of her flat ?
A. She wants to buy a new one.
B. This flat is too small.
C. The environment there is too terrible.What does Mrs Lin often hear the boys doing ?
A. Singing all night .
B. Talking and laughing loudly at night.
C. Dancing to loud music all the time.What stops Mrs Lin from sleeping well ?
A. Talking and laughing in the neighborhood.
B. The light in the crowded street.
C. The loud dance music from outside.