Harry has been diagnosed with a form of obsessive-compulsive disorder (OCD) called pure obsession. How is pure obsession different from a typical OCD diagnosis?

	a.	Emotional distress is reduced in OCD by the fulfillment of a compulsion, but there is no way to reduce distress in the case of pure obsession.
	b.	People with OCD fear what might happen to them; people with pure obsession fear what they might do.
	c.	Pure obsession is maintained by an associated behavior, while OCD is maintained by an associated compulsion.
	d.	The reward cycle that maintains OCD is based on behaviors; the reward cycle that maintains pure obsession is based on thoughts.