According to Maslow's Hierarchy of Needs, Which Client Action Would

According to Maslow's hierarchy of needs, which client action would demonstrate the highest achievement in terms of mental health?

A) Maintaining a long-term, faithful, intimate relationship
B) Achieving a sense of self-confidence
C) Possessing a feeling of self-fulfillment and realizing full potential
D) Developing a sense of purpose and the ability to direct activities