At a party there are only single women and married men with their wives. The probability that a randomly selected woman is single is \dfrac{2}{5}. What fraction of the people in the room are married men?
Answer Choices
A. \dfrac{1}{3}
B. \dfrac{3}{8}
C. \dfrac{2}{5}
D. \dfrac{5}{12}
E. \dfrac{3}{5}