Evan Has Just Been Prescribed a Benzodiazepine by His Physician

Evan has just been prescribed a benzodiazepine by his physician for his excessive worry. However, his physician cautions him that benzodiazepines sometimes cause "rebound" effects, which means that __________.

A) they instantly help the patient rebound from his or her disorder
B) anxiety returns even more strongly once the person stops taking the drug
C) they interact with multiple neurotransmitter systems simultaneously, some of which counteract the very effect the drug produces
D) to be effective, they need to be taken in the morning, at 5 p.m., and at 9 p.m. daily