If $$y = \frac{x^{3} - 3}{7x^{2} + 2}$$, then $$x = 2$$, $$\frac{dy}{dx} =$$

A

$$\frac{121}{900}$$

B

$$\frac{5}{9}$$

C

$$\frac{221}{900}$$

D

$$\frac{11}{45}$$