Intellectuals at the End of the Nineteenth Century Increasingly Believed

Intellectuals at the end of the nineteenth century increasingly believed that

A) though people were basically rational, their emotional side should not be neglected.
B) reason exercised a very limited influence over human conduct.
C) the extent to which a person can control his impulses and instinct should determine that person's position in society.
D) evolution and the history of humanity showed that human beings are becoming increasingly rational.
E) democracy and a rising standard of living made people into the rational beings the Enlightenment assumed they were.