If $$\dfrac{dy}{dx} + 2y \tan x = \sin x$$, $$0 < x < \dfrac{\pi}{2}$$ and $$y\left(\dfrac{\pi}{3}\right) = 0$$, then the maximum value of $$y(x)$$ is

A

$$\dfrac{1}{8}$$

B

$$\dfrac{3}{4}$$

C

$$\dfrac{1}{4}$$

D

$$\dfrac{3}{8}$$