If A = {2,3,4,8,10} B={3,4,5,10,12} and C = {4,5,6,12,14} then (AUB) ? (A U C) isequal to

• A. {2,3,4,5, 8,10,12}
• B. {2,3,4,5,10,12}
• C. none of these
• D. {2, 3, 4, 10,12}