What should be subtracted from \[\left( \frac{3}{4}-\frac{2}{3} \right)\]to get\[\frac{-1}{6}\]?

• A.  \[-\frac{6}{13}\]                   
• B.  \[\frac{1}{4}\]           
• C.  \[\frac{2}{7}\]                       
• D.         \[-\frac{1}{8}\]