AMC 10B 2002 Problem 1

The ratio \dfrac{2^{2001} \cdot 3^{2003}}{6^{2002}} is

Answer Choices
A. \dfrac{1}{6}
B. \dfrac{1}{3}
C. \dfrac{1}{2}
D. \dfrac{2}{3}
E. \dfrac{3}{2}