If $$\tan \alpha = \cot \beta = 1$$ and $$\alpha, \beta$$ are both acute angles, then the value of $$2\alpha + \beta$$
is

A

$$\frac{3\pi}{4}$$

B

$$\frac{\pi}{2}$$

C

$$\frac{2\pi}{3}$$

D

$$\frac{4\pi}{3}$$