Well, there are three types. Logos, pathos and ethos. Since a.(emotional or passionate statements) is mostly connected to pathos which makes a deep connection with the audience or reader, I'd say (a.) is the answer.
        
                    
             
        
        
        
No answer but are there any answers or is it a written response?
        
             
        
        
        
C. Difficult, The teacher had to simplify it, or make it easier to understand because it was Difficult.
        
                    
             
        
        
        
Answer: A. How should we treat the world we live in?
Explanation: