Which of the Following About Humanistic Theory Is FALSE

Which of the following about humanistic theory is FALSE?

A) Humanistic therapists encourage people to change their irrational assumptions by actively challenging the client.
B) It is based on the idea that we naturally try to fulfill our potential for good, and for growth.
C) It is more optimistic about human nature than existentialism is.
D) Psychological dysfunction occurs when people habitually deceive themselves and create a distorted view about things that happen to them.