Factor the Sum or Difference of Cubes $125 r ^ { 3 } + 8$

Multiple Choice

Factor the sum or difference of cubes.
- $125 r ^ { 3 } + 8$

A) $( 5 r + 2 ) \left( 25 r ^ { 2 } - 10 r + 4 \right)$
B) $( 5 r + 2 ) ^ { 2 } ( 5 r - 2 )$
C) $( 5 r + 2 ) \left( 25 r ^ { 2 } - 20 r + 4 \right)$
D) $( 5 r - 2 ) \left( 25 r ^ { 2 } + 10 r + 4 \right)$