The probabilities of solving a problem by three students A, B and C are $$\frac{3}{7}, \frac{5}{9}$$ and $$\frac{1}{5}$$, respectively. The probability that problem will be solved is:

A

$$\frac{155}{315}$$

B

$$\frac{64}{315}$$

C

$$\frac{251}{315}$$

D

$$\frac{32}{315}$$