Answer:
B
O The smith, a mighty man is he, with large and sinewy hands.
Explanation:
 
        
                    
             
        
        
        
Gawain stepped in to accept the challenged.  He chopped off the Knight’s head but it
magically reattached itself back to its body. 
A year later he travels to the Green Knight’s lair where it is his turn
to accept a blow from him.   When the
Knight strikes, Gawain only to evade the blow. 
He goes home afterwards.
 
        
             
        
        
        
The answer I think is either a compound sentence or a simple sentence
compound sentence = a sentence with more than one subject or predicate.
simple sentence=
a sentence consisting of only one clause, with a single subject and predicate.
I can also give you the definition of clause and subject or predicate Hope this helps ;)
        
                    
             
        
        
        
Brutal: savagely violent.