Ana Tocco, the strength coach and nutrition/wellness coordinator, states: "I think he keeps challenging us." She discusses how employees are asked to share their thoughts and ideas for the organization. She also mentions that they try to live up to high expectations. These statements best exemplify what layer of Maslow's hierarchy of needs? 

a). Security needs 

b). Physiological needs 

c). Self-actualization needs 

d). Belongingness needs