The coefficient of $$x^5$$ in the expansion of $$\left(\frac{4x}{5} - \frac{5}{2x}\right)^9$$ is

A

$$\frac{9 \times 2^{14}}{5^6}$$

B

$$\frac{9 \times 2^{15}}{5^6}$$

C

$$\frac{9 \times 2^{16}}{5^5}$$

D

$$\frac{9 \times 2^{14}}{5^5}$$