Find the Equation of the Axis of Symmetry of the Parabola

Multiple Choice

Find the equation of the axis of symmetry of the parabola.
- $$f ( x ) = ( x - 5 ) ^ { 2 } - 5$$

A) $y = - 5$
B) $x = 5$
C) $x = - 5$
D) $y = 0$