Toni Just Started a New Job with a Large Company

Toni just started a new job with a large company. She is unsure of what she should do at lunch time. She wonders, should she eat in her office? Should she go out to eat with her coworkers? Should she eat her lunch in the break room? She decides to wait until lunch time and see what others are doing and then follow suit. This is demonstrating _____

A) operant conditioning.
B) insight.
C) latent learning.
D) modeling.