The Romans liked Greek art and often took Greek slaves to make art for them.
        
                    
             
        
        
        
Answer:
I think B. I'm sorry if I'm worng
 
        
             
        
        
        
Well both etching and drawing show a whole picture, use ink, and both are considered sketches. 
These are just some simple similarities. Hope this helps.
        
             
        
        
        
Dome.
Pitched brick barrel vault.
Barrel vault.
Groin vaults.
Rib vault.
Fan Vault.
Hyperbolic paraboloids.