Enlightenment thinkers were concerned with how man would be without

The correct answer is B: government.

Explanation:

The Enlightenment was an intellectual movement, actual in Europe, during the late 17th and early 18th centuries. This movement emphasized reason, individualism, skepticism, and science.

Enlightenment thinkers were concerned with how a man would be without government, because, according to Thomas Hobbes, enlightenment thinkers considered that without government people would constantly fight among themselves. They also considered a government as a formal contract between the citizens and their rulers, so the government should prevent the abuse of power.