A is correct because it  isn't saying his or her and also its using correct grammar. 
        
             
        
        
        
Answer:
created to reach large audience.
 
        
             
        
        
        
C. Through Gregor's transformation into a hideous bug
 
        
             
        
        
        
D. First person pov, it is where you are the main character, and it includes the pronouns of I and me when talking about actions the main character is doing. You are only privy to that person's thoughts and point of view.