If $$\frac{\cosec \theta + \cot \theta}{\cosec \theta - \cot \theta} = 7$$, then the value of $$\frac{4 \sin^2 \theta - 1}{4 \sin^2 \theta + 5}$$ is:

A

$$-\frac{1}{9}$$

B

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

C

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

D

$$\frac{1}{9}$$