Rhetoric the art of effective or persuasive speaking or writing, especially the use of figures of speech and other compositional techniques. 
So it would be A
        
             
        
        
        
Answer: Herman E. Calloway
Unfortunately, Bud never finds out who his father is. While Bud spends the majority of the book believing that Herman E. Calloway is his father, it is revealed in Chapter Eighteen that Calloway is actually Bud's grandfather.
Explanation:
 
        
             
        
        
        
Plz someone help me with this.......tommorrows friday and if i don't get this thing done it'll bring my grade down...so plz plz pizzazz help me!?
        
             
        
        
        
B is correct "A social commentator, who explains what a book says about people in general."
        
                    
             
        
        
        
Its the spread of disease from one person to another  but it dose no have to be a disease