Some Obsessive-Compulsive People Engage in Long Checking Rituals but Derive

Multiple Choice

Some obsessive-compulsive people engage in long checking rituals but derive little satisfaction from them because

A) they alternate among several personalities, and each of the personalities must complete the ritual.
B) the ritual is automatic and the person has no ability to inhibit it or to control it in any way.
C) the ritual is rapidly extinguished and then reacquired.
D) they distrust their memory of whether they have completed the ritual.