Suppose S cans of soda can be purchased from a vending machine for Q quarters. Which of the following expressions describes the number of cans of soda that can be purchased for D dollars, where 1 dollar is worth 4 quarters?
Answer Choices
A. \dfrac{4 D Q}{S}
B. \dfrac{4 D S}{Q}
C. \dfrac{4 Q}{D S}
D. \dfrac{D Q}{4 S}
E. \dfrac{D S}{4 Q}