You can play this song in a simple C chord progression with C-G-A minor and F
        
             
        
        
        
Answer:The answer is A. The metaphor isn't any of the others so it has to be that one. the second line is negative as is the third inside of the poem. (I hope this helps)
 
        
             
        
        
        
The Mound Builders used metal tools, and were probably metal builders. Based on that information I would say the answer is B.Copper, because copper is a metal.