Answer: (D) Expectancy theory
Step-by-step explanation:
The expectancy theory is one of the mental process or the act in which the various types of people are behave in the certain ways as they are get influenced for selecting or also choosing the specific behavior and also the outcome of the individual person.
According to the given scenario, the spring airline is one of the small budgeting firm where the employees are enforce the ruling for predicting the customer reaction on the news and this situation is refers to the expectancy theory.
Therefore, Option (D) is correct answer.