The answer is 
D.Show what happened at an earlier point in the story.
        
             
        
        
        
I think it would be the answer b if it's incorrect please let me know
 
        
                    
             
        
        
        
Answer:
Walter values books because they provide comfort and escape.
Explanation:
 
        
             
        
        
        
Answer:
D. metaphor is the answer
 
        
                    
             
        
        
        
Answer:
Standing on the smooth sandy beach at the east end of the pond, in a calm September afternoon, when a slight haze makes the opposite shore-line indistinct, I have seen whence came the expression, "the glassy surface of a lake."
Explanation: