A point $(x,y)$ is randomly picked from inside the rectangle with vertices $(0,0)$, $(3,0)$, $(3,2)$, and $(0,2)$. What is the probability that $x < y$?
(A)\frac{1}{12} (B)\frac{1}{6} (C)\frac{2}{3} (D)\frac{1}{3}
D