The product of the 9 factors \left(1-\dfrac{1}{2}\right)\left(1-\dfrac{1}{3}\right)\left(1-\dfrac{1}{4}\right) \ldots\left(1-\dfrac{1}{10}\right)=
Answer Choices
A. \dfrac{1}{10}
B. \dfrac{1}{9}
C. \dfrac{1}{2}
D. \dfrac{10}{11}
E. \dfrac{11}{2}