In which type of dictatorship does a small group of individuals exercise complete control over a country’s government?

The correct answer is B. Oligarchy.

An oligarchy is a form of dictatorship where a small group of individuals has complete control over the government. This group may be distinguished by wealth, nobility, political affiliation, or military power. In contrast, a theocracy is ruled by religious leaders, an autocracy is ruled by a single person, and a monarchy is a government led by a king or queen. If you have more questions or need further clarification, feel free to ask!