The zeros of the polynomial 18x2-27x+7 are ___________

• A. ( frac {7}{6}, frac {1}{3} )
• B. ( frac {-7}{6}, frac {1}{3} )
• C. ( frac {7}{6}, frac {-1}{3} )
• D. ( frac {7}{3}, frac {1}{3} )