Final answer:
The Third Estate made up the majority of France's population during the French Revolution with about 98% representation.
Step-by-step explanation:
The Third Estate, also known as the commoners, comprised the majority of France's population during the French Revolution. It included peasants, workers, and the middle class. The First and Second Estates, which consisted of the clergy and the nobility, made up only a small percentage of the population.
Therefore, the correct answer is option c. 98% as the vast majority of the French population belonged to the Third Estate.
Learn more about The composition of France's population during the French Revolution