Simplify $$\left[\left(5\frac{1}{4}\div3\frac{1}{2}\times\frac{5}{12}\right)-\frac{3}{16}\right]\div \left(3\frac{4}{7}\div\frac{5}{14} of 6\frac{2}{3}\right)$$ of $$1\frac{1}{3}$$

A

$$\frac{7}{32}$$

B

$$\frac{3}{32}$$

C

$$\frac{5}{32}$$

D

$$\frac{17}{32}$$