If a line makes unequal intercepts on x, y axis with the sum 12 and if it passes through the point (2, 4), then the perpendicular distance from origin to the line is

A

$$\frac{2}{\sqrt{5}}$$

B

$$\frac{4}{\sqrt{5}}$$

C

$$\frac{8}{\sqrt{5}}$$

D

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