Joan Cannot Stop Thinking About Jumping Off a Tall Building

Joan cannot stop thinking about jumping off a tall building. This causes her a great deal of stress. To escape from these thoughts, Joan recites nursery rhymes over and over again. This seems to reduce the stress. For Joan, the reciting of rhymes are

A) dysthymia
B) conditioned responses
C) compulsions
D) obsessions
E) attempts at wish fulfillment