The line L passes through the point (2, 3) and makes an angle $$45^{\circ}$$ with $$x$$-axis. Then the
equation of the line passing through the point (1, 2) and perpendicular to the line L, is

A

$$x + 2y - 5 = 0$$

B

$$3x - 2y + 1 = 0$$

C

$$2x - y = 0$$

D

$$x + y - 5 = 0$$