The radius and length of a cylindrical roller are 25cm and $$2\frac{1}{2}$$ m respectively. Then the area it covers in 35 rounds, in square meters, is (take $$\pi =\frac{22}{7}$$)

A

6875

B

$$412\frac{1}{2}$$

C

1375

D

$$137\frac{1}{2}$$