AMC 12A 2008 Problem 4

Which of the following is equal to the product

\dfrac{8}{4} \cdot \dfrac{12}{8} \cdot \dfrac{16}{12} \cdots \dfrac{4 n+4}{4 n} \cdots \cdot \dfrac{2008}{2004} ?

Answer Choices
A. 251
B. 502
C. 1004
D. 2008
E. 4016