阅读短文，从每小题所给的四个选项中，选出能回答所提问题或完成所给句子的最佳答案。

Dear Anna,

    Thank you for the photo of your family. This is my family photo. My grandfather is on the right. My parents are on the left. My father's name is Mike Smith. He is an English teacher. My mother is Linda Smith. She is not a teacher. That boy is my brother. His name is Mark. He is 12. He is in Class 2 Grade 5. That girl is me. I'm 14. I'm in Class 1 Grade 7.

Susan