The value of $$\frac{10}{21} \div 1\frac{1}{14}$$ of $$\frac{5}{3} -\frac{5}{3} \times \frac{1}{10} + \frac{9}{28} \div \frac{3}{7}$$ $$\frac{6}{5}$$ is:

A

$$\frac{4}{15}$$

B

$$\frac{11}{15}$$

C

$$\frac{29}{40}$$

D

$$\frac{1}{10}$$