根据短文内容选择正确答案。
My name is Tom. There are four people in my family. They are my grandpa, my father, my mother and I. My grandpa is sixty. He is old. He is watering flowers now. He often stays at home. My father is a pilot. He goes to work by bike. He likes playing football. My mother is a teacher. She likes reading. She is reading a book now. I'm a student. I want to be a doctor. I love my family.