Which of the Following Statements Is True of Case Studies

Which of the following statements is true of case studies?

A) Case studies stimulate learning by actively involving participants and mimicking the competitive nature of business.
B) Cases practice trainees in weighing and acting on uncertain outcomes after evaluating a case.
C) Trainees play a largely passive role while being trained with case studies.
D) Case studies do not encourage trainees to take risks.
E) Training with case studies does not require any interaction among trainees.