Factor the Polynomial Completely $x ^ { 3 } - 8$

Multiple Choice

Factor the polynomial completely. $x ^ { 3 } - 8$

A) $( x - 2 ) \left( x ^ { 2 } + 2 x + 4 \right)$
B) $( x - 2 ) \left( x ^ { 2 } + 4 x + 4 \right)$
C) $( x + 2 ) \left( x ^ { 2 } - 2 x + 4 \right)$
D) $( x - 2 ) \left( x ^ { 2 } - 2 x + 4 \right)$
E) not factorable