The value of $$\left(1\frac{1}{9} \times 1\frac{1}{20} \div \frac{21}{38} - \frac{1}{3}\right) \times \frac{3}{8} - \left(\frac{2}{3} \div \frac{3}{4} of \frac{5}{9} \div 3\frac{1}{5} + 1\frac{1}{6}$$ is:

A

$$1\frac{1}{2}$$

B

$$1\frac{1}{3}$$

C

$$1\frac{1}{6}$$

D

$$1\frac{1}{4}$$