The term independant of $$x$$ in the expansion of $$(\frac{4}{x} - 3x^{3})^{8}$$ is

A

$$2^{14} \times 3 \times 7$$

B

$$2^{15} \times 3 \times 7$$

C

$$2^{14} \times 3^{2} \times 7$$

D

$$2^{16} \times 3^{2} \times 7$$