The radius of the base of a cone and also that of a hemisphere each is 4 cm. Also, the volumes of these two solids are equal. The curved surface area of the cone is:
(Taken $$\pi=\frac{22}{7}$$)

A

$$614\sqrt{5}cm^{2}$$

B

$$626\sqrt{5}cm^{2}$$

C

$$616\sqrt{5}cm^{2}$$

D

$$516\sqrt{5}cm^{2}$$