Factor the Polynomial Completely $2 n ^ { 3 } + 6 n ^ { 2 } + 8 n$

Multiple Choice

Factor the polynomial completely. $2 n ^ { 3 } + 6 n ^ { 2 } + 8 n$

A) $2 \left( n ^ { 2 } + 1 \right) ( n + 4 )$
B) $2 ( n + 1 ) ( n + 4 )$
C) $2 n \left( n ^ { 2 } + 3 n + 4 \right)$
D) $2 n \left( n ^ { 2 } - 3 n + 4 \right)$
E) not factorable