阅读短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。

    What are your hobbies? Many children like stamp collecting in their spare time. Do you know? Stamp collecting didn't start until 1854. As time passes, there are more and more stamp-collectors. Not only children but also men and women are collectors. In some countries, there are even lessons on stamp collecting in school. People are becoming more and more interested in stamps. Every picture on a stamp has its meaning in it. It may be the head of a famous person, an important place or a special moment. Each stamp tells us a story. We can learn a lot from stamps. Now stamp collecting is my favourite hobby.

    Why not join us?