Marla always strives to excel in her career. Several years ago, she finished College, finally achieving a Ph. D. Although she works as an educator and has a secure position at an urban college, she does not hold a faculty position at a prestigious university. It is obvious to her colleagues that Marla is unsatisfied with her position at work. She constantly gives coworkers subtle reminders of her superior academic credentials and only participates in work activities where she will assume a leadership role. Analyzing Marla's situation using Maslow's hierarchy of needs, which of the following needs are unmet?

A. self-actualization needs
B. esteem needs
C. social needs
D. physiological needs