根据短文内容，从A、B、C、D四个选项中选出一个能填入相应空格内的最佳答案。

    My 1 is Linda. I'm a 2. I'm 12. I'm American(美国人). But(但是) now I'm in Chongqing,3. I'm a student of No.1 Middle School. My teacher is Ms. Wang. 4 name is Wang Pei. She is an 5teacher. David is my friend. His 6 is Brown. He is 14 years old. David and I 7 in Class 3, Grade7. We are good 8. His English is 9. He has(有) a dog. 10 name is Polly.