Answer:
c. oligarchy
Step-by-step explanation:
Oligarchy is a form of government whereby more of the power is placed with the people.
This particular set or group of people in whom power is placed in tend to be people that are wealthy and come from a noble background. It could also be based on their religious, educational, social or elite background of these set of people.
Some of the forms through with oligarchy exists are
a. Aristocracy
b. Stratocracy
c. Plutocracy e.t.c.