Which of the following is true of the system of psychotherapy, which was developed by Sigmund Freud?

a. Growing numbers of people are against seeking therapy for behavioral and emotional problems.
b. In some European countries, traditional face-to-face psychoanalytic sessions have now replaced online sessions.
c. Longer courses of therapy lasting several years, which focus on holistic care, have become the norm.
d. Fewer numbers of people are choosing the expensive, long-term approach Freud developed.