For the first one is the variant D because ' <span> the largest U.S. state ' it's a developed apposition which mostly are isolated through commas.
For the second one the correct answer it's variant C because '</span><span>a pack of baseball cards' it's also a developed apposition and because the sentence ends in that way we use a dot instead of comma.</span>
        
                    
             
        
        
        
Yes! I can really feel your emotion pouring through this poem!
 
        
                    
             
        
        
        
"Autobiography" means a biography of oneself, that is, the author is describing their own past and their own life. 
When you describe your own life, typically you would write it in the first person ("I") and this is also true for Barrio Boy.
        
             
        
        
        
B. Mr. Jones my math teacher was once in a commercial