The ages of debate team members from a high school and a college are listed in the line plots. Based on the line plots, which statement must be true?
A -The range of the high school members’ ages and the range of the college members’ ages are the same.
B -The difference between the means of the high school members’ ages and the college members’ ages is 2 years.
C -The minimum age of the college team members is less than the maximum age of the high school team members.
D -The difference between the medians of the high school team members and the college team members is equal to the range of the high school members’ ages.