For Years It Has Wrongly Been Assumed That Dual Diagnosis

For years it has wrongly been assumed that dual diagnosis clients

A) who are addicted share the same motivational traits as persons without a psychiatric problem who are addicted.
B) who abuse chemicals have the same motivational traits as persons who are addicted to chemicals.
C) who have a job are less motivated to quit than those without a job, since their stress level is higher.
D) do not abuse chemicals for the same reason(s) over the years.