Subtract \[3\frac{1}{7}\] from the sum of \[\frac{4}{21}\] and \[2\frac{3}{14}\].

• A.  \[\frac{-31}{42}\]                 
• B.  \[\frac{-31}{46}\]     
• C.       \[\frac{-33}{21}\]     
• D.                   \[\frac{-31}{54}\]