Which of the following equations is represented by a graph that is centered at (- 6, - 8) and includes the point (0, - 8) ?
A. (x + 6) ^ 2 + (y + 8) ^ 2 = 6
B. (x - 6) ^ 2 + (y - 8) ^ 2 = 36
C. (x + 6) ^ 2 + (y + 8) ^ 2 = 36
D. (x - 6) ^ 2 + (y - 8) ^ 2 = 6