If a and b are two distinct two digit numbers that share the same digits, what is the value of a + b?
I. The difference between the two digits in each number is 7.
II. $$\mid a - b \mid = 63$$

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.