The value of $$\frac{\left[\frac{3}{8}-\left\{\frac{3}{8}-\left(\frac{5}{8}-\frac{3}{8}\right)\right\}\right] of 4.8-0.9}{4\frac{1}{6}\div2.5\times0.2\div\frac{1}{5} of 50+\left(\frac{3}{4}-\frac{1}{8}\right)}$$ is:

A

$$\frac{30}{79}$$

B

$$\frac{36}{79}$$

C

$$\frac{42}{79}$$

D

$$\frac{24}{79}$$