根据短文内容，选出正确的答案。

My name is Wang Dong. I'm thirteen. I'm a student. I'm tall and thin. I have two new friends. They 're Wu Ping and Zhang Fei. Wu Ping is eleven. She's a quiet girl. She has short black hair and a big nose. Zhang Fei is a strong boy. He's tall. He has a blue bag. He has some storybooks in it.