根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。
Hello! I'm Gina. I'm a middle school student. It's nice to meet you here. Let me tell you something about my family. There are five people in my family. They are my mother, my father, my sister, my brother and me.
His name is Jack Smith. So our last name is Smith. He works in a big factory and he goes to work by car.
Her name is Mary. She teaches in our school but she doesn't teach us. All her students like her very much.
He is Tom Smith. My mother often calls him Tommy. He works in a school near our home.
Her name's Jane Smith. Her first name is Jane. She is a middle school student. She is good at English.
My sister and I are in the same school. But she is in Grade Three and I'm in Grade One. We go to school by bus every day.
A. My mother is a teacher.
B. I'm a student, too.
C. My brother is a teacher, too.
D. My father is an engineer.
E. My sister is a student.
