Express {x: x= n/ (n+1), n is a natural number less than 7} in roster form.

• A. {1⁄2, 2⁄3, 4⁄5, 6⁄7}
• B. {1⁄2, 2⁄3, 3⁄4, 4⁄5, 5⁄6, 6⁄7, 7⁄8}
• C. {1⁄2, 2⁄3, 3⁄4, 4⁄5, 5⁄6, 6⁄7}
• D. Infinite set