A spherical ball, when immersed in a cylinder of base radius 7 cms., raises the level of water in the cylinder by 2 cms. Then the radius of the ball (in cm)

A

$$\sqrt[3]{\frac{210}{6}}$$

B

$$\sqrt[3]{\frac{147}{2}}$$

C

$$\frac{\sqrt{94}}{7}$$

D

$${\frac{\sqrt{95}}{3}}$$