Which of the data sets below has more than one mode? Select all that apply.
A) 5, 12, 18, 12, 5, 9
B) 16, 8, 7, 4, 8, 16, 7
C) 22, 28, 29, 31, 31, 31
D) 76, 48, 73, 76, 76
E) 49, 18, 73, 18, 49, 73