Starr is trying to play it cool , which insinuates that starr is not concerned, but that fact that she/he has to "play" it cool shows that he/she is actually concerned and not bothered.<span />
        
             
        
        
        
Answer:
We still have a lot of gang violence and discrimination and hate towards each other today.
Explanation:
 
        
             
        
        
        
I’m pretty sure that it’s C)annoyance cause the other answers don’t make sense
        
                    
             
        
        
        
It would be much better if there was a context representing the idea which has to be determined. But 'whom'  actually can pose as an object in the sentence, only when it is <span>objective case.</span>