What Is One Key Difference Between Role Play and Behaviour

What is one key difference between role play and behaviour modelling

A) role play does not provide the trainee with the correct response prior to role playing
B) they are synonymous except that behaviour modelling has more research supporting its usage
C) trainees using the behaviour modelling method have much more control over learning outcomes
D) one is used primarily on-the-job, while the other takes place in classrooms