Concept:Aristocracy means rule by the best or most noble citizens.
Explanation:The word “aristocracy” comes from Greek terms meaning “best” and “rule”.
In this system, power is held by a small group regarded as intellectually or morally superior.
These citizens are often nobles or people of high rank.
Thus, “government by the best citizens” is aristocracy.
Democracy is rule by the people.
Oligarchy is rule by a few, but not necessarily the best.
Plutocracy is rule by the wealthy.
Answer:A. aristocracy