Which of these define a republic?

Question

Quizplus · Accepted Answer

A republic is a form of government in which the people have the power to elect their representatives who make decisions on behalf of them. Hence, "elected representatives" is the defining characteristic of a republic.

B) A single ruler refers to a monarchy or dictatorship, and is not a defining characteristic of a republic. 
C) A council or governors may be a part of a republic's governing system, but it is not the defining characteristic of a republic. 
D) An oligarchy is a form of government in which a small group of people have control, which is not the defining characteristic of a republic.

Which of These Define a Republic