The faces of a cubical die are marked with the numbers 1,2,2,3,3, and 4 . The faces of a second cubical die are marked with the numbers 1,3,4,5,6, and 8. Both dice are thrown. What is the probability that the sum of the two top numbers will be 5,7 , or 9 ?

**Answer Choices**

A. \dfrac{5}{18}

B. \dfrac{7}{18}

C. \dfrac{11}{18}

D. \dfrac{3}{4}

E. \dfrac{8}{9}