Find the value of $$\frac{x{3} + y{3}}{x + y}$$
(I) $$x = \frac{4}{y}$$
(II) $$x^{2} + y^{2} = 12$$

A

if the statement I alone is sufficient to answer the question.

B

if the statement II alone is sufficient to answer the question.

C

if both the statements I and II are sufficient to answer the question but neither statement alone is sufficient

D

it both the statements I and II together are not sufficient to answer the question and additional data is required.