If the sum of squares of the deviations of ranks of two players in n sports is $$\frac{2n(n + 1)}{3}$$, then the coefficient of rank correlation is

A

$$\frac{n - 4}{n - 1}$$

B

$$\frac{n - 5}{n - 1}$$

C

$$\frac{n - 3}{n - 1}$$

D

$$\frac{n - 5}{n + 1}$$