People Are Most Likely to Receive a Diagnosis of Substance

People are most likely to receive a diagnosis of substance intoxication when

A) they experience a drug's effects on their physiological functioning and show signs of significant impairment.
B) they relapse into their addiction after a few signs of withdrawal symptoms.
C) they are able to successfully cope with their withdrawal symptoms to pass from the substance abuse stage to the substance dependence stage.
D) they experience the need to increase the amount of the substance they are addicted to so that they experience the required effect.