If a and b are positive integers such that the product ab is 30, then what is the value of a + b ?
I. a > b
II. $$1 < \frac{a}{b} < 2$$

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.