Is $$\triangle ABC$$ equilateral?
I. $$AB = BC$$
II. $$\angle ABC = 60^\circ$$

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 both the statements I and II are sufficient to answer the question but neither statement alone is not sufficient

D

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