I don't know what you the answers provided are if you can comment i'll be glad to help you :)
        
                    
             
        
        
        
Dideoxynucleotides are chain-elongating inhibitors of DNA polymerase, used in the Sanger method for DNA sequencing.
        
                    
             
        
        
        
Hi i might be late but it’s B i hope i helped!
        
             
        
        
        
The correct answer is pressure