What is the digit in the unit's place of a six digit positive integer?
I) n leaves the remainder 7 when divided by 10
II) n is divisible by 7

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.