Respuesta :
When supreme power is concetrated in the hands of an idividual we talk about autocracy.
The concept of a Totalitarian goverment reffers to the prohibition of oposition.
A monarchy is a type of representative goverment where there is a king and a queen.
An Oligarchy is when a small group of people from the same social class are the head of the goverment.
So the correct answer is A. autocracy.