Factor the following polynomial completely.
x4y + 8x3y – 6x2y2 – 48xy2
A. xy(x2 – 6)(x + 8y)
B. xy(x3 + 8) (x – 6y)
C. xy(x2 + 6y) (x – 8)
D. xy(x2 – 6y) (x + 8)