Which row is incorrectly matched? Row Rational Number Standard Form A. \[\frac{22}{-42}\] \[\frac{1}{2}\] B. \[\frac{-12}{-21}\] \[\frac{4}{7}\] C. \[\frac{27}{30}\] \[\frac{9}{10}\] D. \[\frac{-32}{56}\] \[\frac{-4}{7}\]

• A.  Row A             
• B.  Row B       
• C.  Row C             
• D.  Row D