Usually you restate your thesis in the conclusion, so I'd say B.
        
                    
             
        
        
        
C.) Desk could be that..........
        
             
        
        
        
C the income level of visitors
        
             
        
        
        
What’s the question for it
        
             
        
        
        
The answer is B) 6 because it doesn't have anything to do with the phalanx, which is what the passage mainly focuses on.