Find the area of the region bounded by the curve $y^2=2x$ and $x^2+y^2=4x.$

Question

$\begin{array}{1 1}(A) \pi-\large\frac{8}{3}sq.units. \\ (B) \pi+\large\frac{8}{3}sq.units. \\(C) 2[\pi-\large\frac{8}{3}]sq.units. \\ (D) 2[\pi+\large\frac{8}{3}]sq.units \end{array}$