The diagram shows an octagon consisting of 10 unit squares. The portion below \overline{P Q} is a unit square and a triangle with base 5 . If \overline{P Q} bisects the area of the octagon, what is the ratio \dfrac{X Q}{Q Y}
Answer Choices
A. \dfrac{2}{5}
B. \dfrac{1}{2}
C. \dfrac{3}{5}
D. \dfrac{2}{3}
E. \dfrac{3}{4}