A radio program has a quiz consisting of 3 multiple-choice questions, each with 3 choices. A contestant wins if he or she gets 2 or more of the questions right. The contestant answers randomly to each question. What is the probability of winning?

**Answer Choices**

A. \dfrac{1}{27}

B. \dfrac{1}{9}

C. \dfrac{2}{9}

D. \dfrac{7}{27}

E. \dfrac{1}{2}