If $$2 \sin^2 \theta + 5 \cos \theta - 4 = 0, 0^\circ < \theta < 90^\circ$$, then the value of $$\tan \theta + \sin \theta$$is:

A

$$\frac{3\sqrt3}{2}$$

B

$$\frac{2}{\sqrt3}$$

C

$$\frac{\sqrt3}{2}$$

D

$$\frac{\sqrt3}{3}$$