Which of the Following Statements About the Prevalence and Course

Which of the following statements about the prevalence and course of major depressive disorder is FALSE?

A) When major depressive disorder recurs, the symptoms tend to increase in severity.
B) Most people who experience major depressive disorder seek professional help to deal with the symptoms.
C) If left untreated, the symptoms of major depressive disorder can persist for six months or longer.
D) More than half of all people who have had one episode of major depressive disorder will experience another episode of major depressive disorder, usually within two years.