A point moving in the complex plane satisfies the following relation $$z^{2} + z^{*^{2}} = 8$$, where $$z^*$$ stands for the complex conjugate of z. The difference of the distances of the moving point from $$(2 \sqrt{2}, 0)$$ and $$(-2 \sqrt{2}, 0)$$ is

A

8

B

2

C

4

D

6