The value of $$\frac{2^n \times 6^{m + 1} \times 10^{m - n} \times 15^{m + n - 2}}{4^m \times 3^{2m + n} \times 25^{m - 1}}$$ is

A

$$\frac{1}{3}$$

B

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

C

$$\frac{5}{3}$$

D

$$\frac{10}{3}$$