根据对话内容，从A到F选项中，选出能填入空白处的最佳选项，每个选项只使用一次，选项中有一项为多余项。

A: Hi, Linda. What are you reading?

B: The Adventure of Tom Sawyer: 

A: Oh, I know he is a famous writer.  

B: It's about a little boy called Tom Sawyer and his friends who took lots of risks.

A: Really? I can't imagine! What's Tom Sawyer like?

B: 

A: Is the story interesting?

B: Sure. I enjoy it so much that I can't stop reading.

A:  But we need to have a rest after an hour or so, such as looking out of the window to relax our eyes. 

B: Yes, I agree. 

A. Do you know the writer's name?

B. I like reading, too. 

C. What's it about?

D. Thanks for your advice. 

E. It was written by Mark Twain. 

F. He is clever enough to overcome many difficulties.