Which set of numbers is arranged in decreasing order?

A. 6.82, 2 pie, square root of 37, 55/9
B. 2 pie, 55/9, 6.82, square root of 37
C. 6.82, 2 pie, 55/9, square root of 37
D. 2 pie, 6.82, square root of 37, 55/9