The Excess Kurtosis of the Geometric distribution with parameter p is:

A

$$4 + \frac{p^2}{1 - p}$$

B

$$6 - \frac{p^2}{1 - p}$$

C

$$6 + \frac{p^2}{1 - p}$$

D

$$4 - \frac{p^2}{1 - p}$$