A number $$n$$ is randomly selected from the set $$\{1, 2, 3, \ldots, 1000\}$$. The probability that $$\dfrac{\sum_{i=1}^{n} i^2}{\sum_{i=1}^{n} i}$$ is an integer is

A

$$0.331$$

B

$$0.333$$

C

$$0.334$$

D

$$0.332$$