If the $$\alpha$$ and $$\beta$$ are the roots of the equation $$x^{2} + px + q = 0$$, then $$\sum \alpha^{2}$$ is

A

$$p^{2} + 2q$$

B

$$p + 2q$$

C

$$p^{2} - 2q$$

D

$$p - 2q$$