How did the Age of Enlightenment reflect a spirit of optimism?

The Enlightenment was a period of profound optimism, a sense that with science and reason—and the consequent shedding of old superstitions—human beings and human society would improve. Enlightenment was anti-clerical; it was, for the most part, opposed to traditional Catholicism.

answer; i believe that the correct answer is (c) ///