题目内容：

    Hank is an American boy. He is a middle school student now. He loves reading books very much. Today, his teacher says to the class. “There is something new in our school library.1.”

Hank wants to borrow (借) a book from the library, so he comes to the library with his classmates after class.2.They only see some robots (机器人) standing there.

Hank says to a robot, “3.” But the robot doesn’t move.

Then one of his classmates tells Hank, “You must say ‘Excuse me’ and ‘Please’ first when you want some help.”4.

But Hank still (仍然) can’t get the book from the robot’s hands. He thinks for a minute. and then he says “Please” to the robot. The robot gives him the book.5.

阅读短文，根据短文内容，从下面的方框中选出能填入空白处的最佳选项。

 

A. Why not go and have a look?

B. Hey, give me a book on music.

C. Hank gets the book and goes home happily.

D. Hank does so and the robot brings the book.

E. There aren’t any librarians (图书馆管理员) in it.