Which of the Following Statements Is True Regarding Multisystemic Therapy

Which of the following statements is true regarding multisystemic therapy (MST) with young offenders?

A) The youth's case manager is accessible 24 hours a day,7 days a week.
B) Treatment outcome studies show that MST is more effective than the usual services available in Ontario.
C) MST proposes that delinquency is multi-determined and that treatment should occur in institutions.
D) MST focuses solely on the youth's relationship with his/her primary caregiver.
E) all of the above