阅读下列材料，从A、B、C、D四个选项中选出最佳答案。

    Good morning! My name is David. I'm from the USA. Now I'm in the No. 3 Junior High School.

    There are 22 boys and 20 girls in our class. Mr. White is my teacher. He comes from England. He is 35 years old. He is short and he has short brown hair. His face is round and he has small eyes. He is a good teacher. He can speak English, Japanese and Chinese.

    Now I have a good friend. His name is Jackie. He is an American boy. We are twelve. My classmates are very friendlyto me. We help each other.