Factor Completely $8 \mathrm {~s} ^ { 3 } + 1$

Multiple Choice

Factor completely. If the polynomial cannot be factored, write ʺprime.ʺ
- $8 \mathrm {~s} ^ { 3 } + 1$

A) $( 2 \mathrm {~s} + 1 ) \left( 4 \mathrm {~s} ^ { 2 } + 1 \right)$
B) $( 2 s + 1 ) \left( 4 s ^ { 2 } - 2 s + 1 \right)$
C) $( 8 s + 1 ) \left( s ^ { 2 } - 2 s + 1 \right)$
D) $( 2 \mathrm {~s} - 1 ) \left( 4 \mathrm {~s} ^ { 2 } + 2 \mathrm {~s} + 1 \right)$