The fraction

\dfrac{\left(3^{2008}\right)^{2}-\left(3^{2006}\right)^{2}}{\left(3^{2007}\right)^{2}-\left(3^{2005}\right)^{2}}

simplifies to which of the following?

**Answer Choices**

A. 1

B. \dfrac{9}{4}

C. 3

D. \dfrac{9}{2}

E. 9

The fraction

\dfrac{\left(3^{2008}\right)^{2}-\left(3^{2006}\right)^{2}}{\left(3^{2007}\right)^{2}-\left(3^{2005}\right)^{2}}

simplifies to which of the following?

**Answer Choices**

A. 1

B. \dfrac{9}{4}

C. 3

D. \dfrac{9}{2}

E. 9