Based on these lines from"the gorgon's head" by nathaniel hawthorne is an imperative sentence is: b. "be careful that they do not see you before you see them". 
the "imperative" sentence is a command, so i think it's the answer b.
hope this help
        
             
        
        
        
One strategy you can use to determine the meanings of unknown words and phrases is to look at the context clues. Context clues might be something like a picture, words or phrases you already know, using what you know about the text already. 
Hope this helps!
 
        
             
        
        
        
The answer to Part A is : 
<span>Reconciliation and forgiveness are powerful forces.
</span>
The answer to Part B is :
<span>After reading his son’s writings, James Jarvis lets go of his anger, begins to implement his son’s philosophies, and develops a friendship with Kumalo. </span>
        
                    
             
        
        
        
Answer:
“What sets you apart can sometimes feel like a burden and it's not. And a lot of the time, it's what makes you great.” 
Explanation:
teehee