What is the angle A in the following figure?

I. $$C = 120^\circ$$
II. $$B = 87^\circ$$

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.