The valu of $$\frac{1}{4}+\frac{\left[\left(20.35\right)^{2}-\left(8.35\right)^{2}\right]\times0.0175}{\left(1.05\right)^{2}+\left(1.05\right)\left(27.65\right)}$$ is:

A

$$\frac{9}{20}$$

B

$$\frac{7}{20}$$

C

$$\frac{3}{20}$$

D

$$\frac{3}{10}$$