The correct answer is D. An individual
Step-by-step explanation:
The term "Autocracy" describes a type of government in which there is a unique leader or ruler known as an autocrat who has absolute power. This implies in autocracies the ruler can make decisions without consulting citizens or any other entities as there is any entity that regulates the government. Additionally, autocracies are often related to dictatorship and totalitarianism as the autocrat can control important aspects o the life of citizens and impose his/her will. According to this, the one that rules in an autocratic government is an individual, because in these governments power is held by only one person.