Self-confidence; helps a leader influence followers and motivates them to persevere in the face of obstacles or difficulties. Tolerance for stress; helps a leader deal with the uncertainty inherent in any leadership role. Integrity and honesty; help to ensure a leader behaves ethically and is worthy of followers’ trust and confidence.Emotional maturity; helps to ensure a leader is not overly self-centered, can control their feelings, and can accept criticism. Task-relevant knowledge; ensures that a leader knows what has to be done, how is should be done and what resources are required for a group organization to achieve its goals. 

The correct answer is D.