C.  Despite setbacks and a difficult enemy, Great Britain will never surrender.
 
        
             
        
        
        
Answer:
You should put a comma there. 
Explanation:
The comma puts a small pause in the sentence.
 
        
             
        
        
        
Answer: i would say its the third option but i may be wrong
Explanation:
 
        
             
        
        
        
all of the above..............