If '?' denotes multiplication, '?' denotes addition, '?' denotes subtraction, and '?' denotes division, what is the result of 6 ? 2 ? 3 ? 1 ? 2?

Answer: C. 7
6 × 2 + 3 - 1 ÷ 2 = 12 + 3 - 0.5 = 14.5, which rounds to 14.