Factor Out the GCF from the Polynomial $14 x ^ { 3 } - 4 x ^ { 2 } + 8 x$

Multiple Choice

Factor out the GCF from the polynomial.
- $14 x ^ { 3 } - 4 x ^ { 2 } + 8 x$

A) $2 x \left( 7 x ^ { 2 } - 2 x + 4 \right)$
B) $2 x \left( 7 x ^ { 3 } - 2 x ^ { 2 } + 4 x \right)$
C) $2 \left( 7 x ^ { 3 } - 2 x ^ { 2 } + 4 x \right)$
D) $x \left( 14 x ^ { 2 } - 4 x + 8 \right)$