Square E F G H has one vertex on each side of square A B C D. Point E is on \overline{A B} with A E=7 \cdot E B. What is the ratio of the area of E F G H to the area of A B C D ?
Answer Choices
A. \dfrac{49}{64}
B. \dfrac{25}{32}
C. \dfrac{7}{8}
D. \dfrac{5 \sqrt{2}}{8}
E. \dfrac{\sqrt{14}}{4}