The coefficient of $$x^{7}$$ in the binomial expansion of $$\left(x^{3} - \frac{2}{x^{2}}\right)^{5}$$ is

A

0

B

$$5_{C_{2}}(-2)^{2}$$

C

$$5_{C_{3}}(-2)^{3}$$

D

$$5_{C_{4}}(-2)^{4}$$