99 POINTS!!!!!

The side length, s, of a cube is x – 2y. If V = s3, what is the volume of the cube?
A. x^3 – 6x^2y + 12xy^2 – 8y^3
B. x^3 + 6x^2y + 12xy^2 + 8y^3
C. 3x^3 – 6x^2y + 12xy^2 – 24y^3
D. 3x^3 + 6x^2y + 12xy^2 + 24y^3