The circumference of base of a right circular cone is 88 cm. If the height of the cone, is 28 cm, then what is the curved surface area of the cone?

A

$$670\sqrt{3}$$ $$cm^{2}$$

B

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

C

$$627\sqrt{3}$$ $$cm^{2}$$

D

$$561\sqrt{5}$$ $$cm^{2}$$