Factor Completely Using the Grouping Method to Factor Trinomials $$12 z ^ { 2 } - 7 z - 12$$

Multiple Choice

Factor completely using the grouping method to factor trinomials. If unfactorable, indicate that the polynomial is prime.
- $$12 z ^ { 2 } - 7 z - 12$$

A) prime
B) $( 12 z - 4 ) ( z + 3 )$
C) $( 3 z + 4 ) ( 4 z - 3 )$
D) $( 3 z - 4 ) ( 4 z + 3 )$