The Brother of a Patient Who Is Seriously Mentally Ill

The brother of a patient who is seriously mentally ill asks why the patient has been assigned a case manager.The nurse's reply should cite the major advantage of the use of case management as:

A) "The case manager can modify traditional psychotherapy for homeless patients so that it is more flexible."
B) "Case managers coordinate services and help with accessing them,making sure the patient gets what he needs."
C) "The case manager can focus on social skills training and esteem building out in the real world where he lives."
D) "Having a case manager has been shown to reduce hospitalizations,which prevents disruption and saves money."