In a data set of 5 points, the mean, median, and mode are each equal to 8. Which of the following could be the data set?
A. (5, 7, 8, 8, 12)
B. (7, 7, 8, 8, 12)
C. (7, 8, 8, 8, 12)
D. (7, 8, 8, 10, 12)
E. (7, 8, 8, 12, 12)