Find the Vertex of the Parabola by Completing the Square $x=y^{2}+2 y+6$

Multiple Choice

Find the vertex of the parabola by completing the square.
- $x=y^{2}+2 y+6$

A) $(5,-1)$
B) $(1,7)$
C) $(-1,5)$
D) $(5,1)$