Which of the following best explains how the groups of the caste system are set up? *
A. They are set up in order of importance, with the most important group at the bottom.
B. They are set up in order of importance with the group that gives the most money at the top.
C. They are set up in order of importance, with the most important group at the top.
D. They are set up in order of importance with the group that gives the most money at the bottom.