A Person with Obsessive-Compulsive Disorder (OCD) Knows the Ritual Is

A person with obsessive-compulsive disorder (OCD) knows the ritual is senseless, but is unable to stop. Which of the following best explains why he does not quit doing the ritual?

A) As rituals become habit, others will worry about the person if he or she suddenly stops engaging in the ritual behavior.
B) Engaging in rituals allows the individual to feel in control.
C) If the compulsion is resisted, anxiety increases.
D) Rituals, even if nonsensical, are comforting and reassuring.