The correct option is A Aristocracy
Aristocracy is a form of government where power is wielded by few privileged class who are best qualified for ruling. Democracy is a system where citizens vote and give power to a representative for governing on their behalf. Oligarchy is a government of few who exercise power in a despotic, selfish and corrupt manner. Monarchy is a form of government with a single monarch as the head. Hence, option A is the correct answer.