Give a geometric description of the following set of points.\\
$x^2 - 20x + y^2 + 10y + z^2 + 125 = 0$\\
Select the correct choice below and fill in the answer boxes within your choice.\\
(Simplify your answers.)\
A. The equation represents the single point ( , , ).\
B. The equation represents a sphere centered at ( , , ) with radius .\
C. The equation represents a circle centered at ( , ) with radius .\
D. The equation represents a ball centered at ( , , ) with radius .