题目内容：

听下面一段较长对话，回答以下小题。

1.Where are probably the speakers?

A. At a bookstore.    B. At a library.    C. At Ms. Calvin’s house.

2.Who is the main character in Ms. Calvin’s book?

A. A bird.    B. A dog.    C. A scientist.

3.How long did it take Ms. Calvin to write her book?

A. About three months.    B. About one year.    C. About two years.

4.What helps Ms. Calvin think of ideas?

A. Feeding birds.

B. Reading the newspaper.

C. Signing the customers’ books.