The product of the polynomials (x + 2), (x – 2), (x3 – 2x2 + 4x – 8) and (x3 + 2x2 + 4x + 8) is

• A. x8 - 256
• B. (x4 – 16)2
• C. (x4 + 16)2
• D. (x2 – 4)2