What is the LCM of $$a^3b - ab^3, a^3b^2 - a^2b^3, ab(a - b)$$?

A

$$a^2b^2(a^2 + b^2)$$

B

$$a^2b^2(a^2 - b^2)$$

C

$$a^2b^3(a^2 + b^2)$$

D

$$a^3b^2(a^2 - b^2)$$