A certain recipe calls for 2 cups of sugar and fff\(3(\frac {1} {2})\)/fff cups of flour. What is the ratio of sugar to flour in this recipe?
A.fff\(\frac{3}{10}\)/fff
B.fff\(\frac{2}{5}\)/fff
C.fff\(\frac{4}{7}\)/fff
D.fff\(\frac{4}{5}\)/fff
E.fff\(\frac{6}{7}\)/fff
我的答案: