The diameter of an iron ball used for shot-put is 21 cm. It is melted and then a cylinder of height 3.5 cm is made. The curved surface area of the cylinder will be:
(Take $$\pi=\frac{22}{7}$$)

A

462 $$cm^{2}$$

B

464 $$cm^{2}$$

C

362 $$cm^{2}$$

D

460 $$cm^{2}$$