I think you forgot to write your question...
        
             
        
        
        
A, c
because it makes sense
        
                    
             
        
        
        
“As Atticus tells Jem and Scout, a mockingbird does no harm and makes music for people to enjoy. Tom Robinson is like a symbolic mockingbird because of his innocence; he has not harmed anyone and is an admirable character who offers help to others. Because Tom is not guilty, it makes it "sinful" to harm him.”