How much pocket money do you get from your parents every month--200 yuan? Some may need more to buy birthday presents, ice cream or cartoon books.But for Li Hong,30 yuan each month is enough. The only thing she buys is lunch--1.5yuan each day."My favorite is noodles and rice." Said Li."But meat is too expensive for me."Li,14,is a student of Grade Eight. Her parents are migrant workers .They first came to Chongqing from a village in Henan two years ago.Her father now works as a cleaner and gets 500 yuan every month. Her mother has no job.Every day,Li gets up at 5:30 am and walks 50 minutes to get to school. She studies hard ,and even reads books during breaks! Her favorite subject is computer."I'm learning typing now. I hope to be the fastest in my class,"said Li. Like many teens, Li has lots of homework--- usually at last one hour every day. But that is not all he work. During the week she helps her mum cook. On weekends, she helps  wash clothes. "I could cook when I was eight. Father said sometimes I cooked better than mum." Li said she wanted to be a doctor when she grew up. "I wacth TV and find out There are many  people with AIDS in Henan. Some are kids.I really want to help them."Said Li. But she is afraid of having to leave school.Li didn't go to school at the age of 12 one year because her family had no money to send her.This year, the school didn't ask her to pay the 600 yuan fees  because her family is too poor."I hope I will always be in school,"said Li."Dad works hard to get money.I have promised him I will study hard to be a good student and a good doctor in the future." What does Li Hong's father do?
A housewife A cleaner A doctor A worker