Factor by Any Method $$9 a ^ { 3 } - 16 a$$

Multiple Choice

Factor by any method.
- $$9 a ^ { 3 } - 16 a$$

A) $a ( 3 a + 4 ) ( 3 a - 4 )$
B) $\left( 3 a ^ { 2 } + 4 \right) ( 3 a - 4 )$
C) $a ( 9 a + 1 ) ( a - 16 )$
D) $a ( 3 a - 4 ) ^ { 2 }$