What Is Meant by the "Irrationality of Rationality

What is meant by the "irrationality of rationality?"

A) the world is essentially absurd and without meaning.
B) this is a phrase used to discuss the negative effects of rationalization.
C) rational systems get so convoluted that they lose themselves in internal logic.
D) people are by nature irrational, so it is impossible for social scientists to make sense of their behavior.