Factor as Completely as Possible $$27 a ^ { 2 } + 27 a - 12$$

Multiple Choice

Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.
- $$27 a ^ { 2 } + 27 a - 12$$

A) $3 ( 3 a + 4 ) ( 3 a - 1 )$
B) $3 ( 3 a - 4 ) ( 3 a + 1 )$
C) $( 3 a + 4 ) ( 9 a - 3 )$
D) $( 9 a + 12 ) ( 3 a - 1 )$