B. Penny understands that poisoning the wolves will affect the other animals, while the Forrester's don't care.
        
                    
             
        
        
        
 epigram<span>a : pithy saying or remark expressing an idea in a clever and amusing way</span>
        
                    
             
        
        
        
As I was going up the stair, I saw a man that wasn't there. 
He wasn't there again today! Oh, how I wish he'd go away
        
             
        
        
        
I think it is present perfect.