They are all answered already
        
             
        
        
        
I think thew answer is D. "The author supplies the rubuttel that quotes more current research". I'm not 100% sure but it was the best one i could think of. Hope it's right
        
                    
             
        
        
        
Streaking across the sky was a pattern of lights, it could be a helicopter or an airplane.
        
                    
             
        
        
        
Answer: trust, the roommate betrayed the trust of his other roommate. 
Explanation: