Camila is a new employee at Dario Enterprises and is undergoing training. A senior employee from her team is assigned to mentor Camila. Camila learns by watching her mentor perform various tasks and by working on simple tasks alongside her mentor. Which of the following training methods has Dario Enterprises adopted to train Camila?
A) Simulations
B) Role-playing
C) On-the-job training
D) Vestibule training