In the figure, is $$\overline{AB} = \overline{AC} ?$$
I. x + y = z
II. y = 180 - z

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

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