Factor the GCF Out of the Given Expression $8 m^{7}+16 m^{5}+40 m^{2}$

Multiple Choice

Factor the GCF out of the given expression.
- $8 m^{7}+16 m^{5}+40 m^{2}$

A) $8 m\left(1 m^{7}+2 m^{5}+5 m^{2}\right)$
B) $8\left(1 m^{7}+2 m^{5}+5 m^{2}\right)$
C) $m^{2}\left(8 m^{5}+16 m^{3}+40\right)$
D) $8 m^{2}\left(1 m^{5}+2 m^{3}+5\right)$