If $$\frac{a}{b} = \frac{4}{3}$$ and $$\frac{p}{q}=\frac{9}{14}$$, the value of $$\frac{3ap - bq}{4bq - 7ap}$$ is

A

$$-\frac{11}{14}$$

B

$$\frac{11}{14}$$

C

$$\frac{12}{13}$$

D

$$-\frac{12}{13}$$