A、Children. B、Adults. C、Old people. D、People of all ages. D事实细节题。短文中提到，各个年龄阶段的人都喜欢Shel Silverstein的诗歌和故事。

Shel Silverstein was a poet, writer, composer, singer, musician and artist. He wrote hundreds of poems and published many books. (29)He is most famous as a writer of books for children. He won several awards for his children’s books. But he also wrote many stories and created many drawings for adults. Shel Silverstein never planned to write children’s books. Still, he is most famous for writing them. (30)However, people of all ages like his poems and stories. He published his first children’s book in 1963. It is called Lafcadio, the Lion Who Shot Back. It is about a lion that eats hunters and lives like a human. (31)One year later, Shel Silverstein published what may be his most popular book—The Giving Tree. It is about a boy and a tree that loved him. The tree gives the boy everything until it can give no more. Both adults and children have enjoyed reading this book. This book is still very popular today. It has sold more than five million copies. Shel Silverstein is also famous for his poetry. (32) His first children’s poetry book was Where the Sidewalk Ends. It was published in 1974. It contains more than 100 poems, and many drawings. The poems and drawings are creative, and funny. Shel Silverstein once said that he wanted to go everywhere, look at and listen to everything. He said people could go crazy with the wonderful things in life. And he communicated this in all of his writings, drawings and songs. He also hoped that people, no matter what age, would find something to identify with in his books.
29. What is Shel Silverstein most famous as?
30. What is the main readership of Shel Silverstein s poems and stories?
31. What is Shel Silverstein’s most popular book mainly about?
32. What can we learn about Shel Silverstein’s first children’s poetry book?