The Enlightenment of the Eighteenth Century Referred to

The Enlightenment of the eighteenth century referred to

A) the thought of Aristotle and Ptolemy, preserved by the Middle Ages, and at last allowed to shine forth.
B) the belief that Europe had emerged from a time of barbarism and darkness.
C) the rediscovery of the brilliant reasoning of Thomas Aquinas and the other medieval Scholastics.
D) all of the choices are correct.