Give the Focus, Directrix, and Axis for the Parabola $$x ^ { 2 } = 4 y$$

Multiple Choice

Give the focus, directrix, and axis for the parabola.
- $$x ^ { 2 } = 4 y$$

A) $( 1,0 ) , y = 1 , y$ -axis
B) $( 1,0 ) , x = 1 , x$ -axis
C) $( 0,1 ) , y = - 1 , y$ -axis
D) $( 0 , - 1 ) , x = - 1 , x$ -axis