If \['-'\]stands for 'division','+' stands for 'multiplication',\['\div '\] stands for 'subtraction' and \['\times '\]stands for addition', then which one of the following equations is correct?

• A.  (a) \[6+20-12\div 7-1\text{ }=38\]                       
• B.  (b) \[6-20+12\div 7+1=\text{ }57\]
• C.  (c) \[6\div 20\times 12+7-1\text{ }=70~\]            
• D.  (d) \[6+20-12\div 7\times 1=62~~\]