The integral of $$\dfrac{x^2 - x}{x^3 - x^2 + x - 1}$$ w.r.t. $$x$$ is

A

$$\dfrac{1}{2}\log(x^2 + 1 + c)$$

B

$$\dfrac{1}{2}\log|x^2 - 1| + c$$

C

$$\log(x^2 + 1 + c)$$

D

$$\log|x^2 - 1| + c$$