The value of $$\frac{3\frac{1}{4}-\frac{4}{5} \ of \ \frac{5}{6}}{4\frac{1}{3}-\div\frac{1}{5}-(\frac{3}{10}+21\frac{1}{5})}-(2\frac{1}{3} \ of \ 1\frac{1}{2})$$

A

9

B

13

C

12

D

11