In an A.P., the sixth term $$a_6 = 2$$. If the $$a_1 a_4 a_5$$ is the greatest, then the common difference of the A.P., is equal to

A

$$\frac{3}{2}$$

B

$$\frac{8}{5}$$

C

$$\frac{2}{3}$$

D

$$\frac{5}{8}$$