1) m can be 0 or 2. But m is given as a positive integer. So m=2. Sufficient.
2)m can be any positive even number. Insufficient.
Answer is A.
Kudos Please... If my post helped.
Did you find this post helpful?... Please let me know through the Kudos button.
Thanks To The Almighty - My GMAT Debrief
GMAT Reading Comprehension: 7 Most Common Passage Types