Which of the following concepts is generally accepted by advocates of the humanistic approach to psychology?

A) No one can know a client in therapy better than the client himself or herself.
B) It is the therapist's job to explain to the client the new goals the client must set for himself or herself.
C) People should spend more time thinking about the future and planning the directions of their lives.
D) People need to see how their past sets the course for where their lives are going.

The humanistic approach is focused on emphasizing the importance of subjective experience and personal growth. Advocates of this approach believe that individuals are capable of generating their own solutions to problems and that the therapist's role is to facilitate this process by creating a supportive and accepting environment. Therefore, the concept that no one can know a client in therapy better than the client himself or herself is generally accepted by advocates of the humanistic approach.