Answer :

KimmySuarez
I believe as all group rules but I can be wrong . The U.S. is considered a democracy because the government is basically the 'group' that rules

Can be all of them apart from a. As the people get to vote for the person they want to rule. The people are ruled by a party that has some people and that party can be overthrown if there is a king.

I would say it would be D, A small group rules.