Let X be a discrete random variable with pmf $$\left(x\right) = \frac{\left(x - 3\right)^{2}}{5}$$, x = 3,4,5 . The variance of X is:

A

$$\frac{4}{5}$$

B

$$\frac{4}{25}$$

C

$$\frac{2}{5}$$

D

$$\frac{2}{25}$$