Factor the Binomial Completely $16 a ^ { 3 } - 9 a$

Multiple Choice

Factor the binomial completely.
- $16 a ^ { 3 } - 9 a$

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