A. Autocracy
An oligarchy is a government run but a small fraternity of people, not by "one single leader." So, that's singled out. A theocracy is again a small fraternity of individuals that rule over a providence, however, they rule by religious standards. So, bye-bye Choice C. As for monarchies, just take a look at England. By tradition, a King and Queen would preside of the land which is exactly what a monarch is. However, it's not a dictatorship because there are checks, balances, and more than one individual in power. Thus, the answer is A. An autocracy is complete power held by a single person.
