With Respect to the Course of Obsessive-Compulsive Disorder, Which of the Following

With respect to the course of obsessive-compulsive disorder, which of the following statements is most accurate

A) The disorder usually begins in childhood; it tends to worsen over time.
B) The disorder usually begins in childhood; its course varies from one person to another.
C) The disorder usually begins in adolescence or early adulthood; it tends to worsen over time.
D) The disorder usually begins in adolescence or early adulthood; its course varies from one person to another.