What is the value of 'x'?
I. $$2x - 3y = 4$$
II. $$y^2 + 2y = -1$$

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 the statements I and II together are sufficient to answer the question but neither statement alone is sufficient.

D

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