Factor Completely Using the Grouping Method to Factor Trinomials $6 z ^ { 2 } - 5 z - 6$

Multiple Choice

Factor completely using the grouping method to factor trinomials. If unfactorable, indicate that the polynomial is prime.
- $6 z ^ { 2 } - 5 z - 6$

A) $( 3 z + 2 ) ( 2 z - 3 )$
B) $( 6 z + 2 ) ( z - 3 )$
C) $( 3 z - 2 ) ( 2 z + 3 )$
D) prime