What is the value of the product below?
\left( \dfrac{1 \cdot 3}{2 \cdot 2} \right) \left( \dfrac{2 \cdot 4}{3 \cdot 3} \right) \left( \dfrac{3 \cdot 5}{4 \cdot 4} \right) \cdots \left( \dfrac{97 \cdot 99}{98 \cdot 98} \right) \left( \dfrac{98 \cdot 100}{99 \cdot 99} \right)
Answer Choices
A. \dfrac{1}{2}
B. \dfrac{50}{99}
C. \dfrac{9800}{9801}
D. \dfrac{100}{99}
E. 50