阅读下列短文，从每小题的三个选项中选出最佳选项。

    The Smiths are Americans (美国人). They are now in Beijing. This is their first visit to China. They are going to stay (停留) in China for two months. They want to visit some cities and villages. They hope to learn some Chinese, too.

    Mr. Smith is a doctor. He will visit a hospital in Shanghai. Mrs. Smith is a school teacher. She is going to visit some city schools and village schools. Their daughter is a middle school(中学) student. She wants to meet some Chinese students.

    They are going to take a lot of pictures in China. When they are back in America, they will show the pictures to their American friends. They want the American people know more about China.