Factor by Any Method $$125 a ^ { 3 } - 27 b ^ { 3 }$$

Multiple Choice

Factor by any method.
- $$125 a ^ { 3 } - 27 b ^ { 3 }$$

A) $( 5 a - 3 b ) \left( 25 a ^ { 2 } + 15 a b + 9 b ^ { 2 } \right)$
B) $( 125 a - 3 b ) \left( a ^ { 2 } + 15 a b + 9 b ^ { 2 } \right)$
C) $\left( 5 a + 3 b ^ { 2 } \right) \left( 25 a ^ { 2 } - 15 a b + 9 b ^ { 2 } \right)$
D) $( 5 a - 3 b ) \left( 25 a ^ { 2 } + 9 b ^ { 2 } \right)$