Answer:
The correct answer is letter "C": Theory Y.
Explanation:
American economist Douglas McGregor (1906-1964) proposed the Theory X and Theory Y to provide an understanding of people's motivations at work. In Theory Y, managers use a collaborative, participative approach to manage their subordinates which boosts trust in the leader-follower relationship. Besides, the leader delegates the decision-making to the employees for them to feel more motivated in fulfilling their tasks.