The easiest way to remember is Superlative or “super” is the best, right? Therefore, superlative is -est, like best, largest, greatest. Comparative is the -er. Therefore, that is more, larger, or greater. The answer, then, is B, as C simply and adjective this is neither comparative nor superlative. 
 
        
                    
             
        
        
        
Answer:
B
Explanation:
Was a singular knife. Clearly, the weeds were not knives, but because this is a metaphor they are called knives
 
        
             
        
        
        
It is b yesssssssss ssssss
        
                    
             
        
        
        
ANSWER:  Between )the surace and edge of space