Answer:
students wearing neon hoodies, although it's against rules, it's being protested in a peaceful way. 
Explanation:
Civil disobedience such as Martin Luther's peaceful marches or Rosa Parks refusal move from her seat. 
 
        
                    
             
        
        
        
I’m guessing it’s A idk tho but try it :)
        
                    
             
        
        
        
 I believe you have to write up your own. I hope this comes in handy^-^
 
        
             
        
        
        
This is an onomatopoeia. This is because of the words “growled” and “grumbled”.