Christopher uses 2/3 cup of ice cream to make a root beer float, Sean uses 7/12 cup of ice cream, and Jennifer uses 5/8 cup of ice cream. Which of the following. correctly compares the three amounts of ice cream?
A. 2/3>7/12>5/8
B. 2/3>5/8>7/12
C. 7/12>5/8>2/3
D. 7/12>2/3>5/8