Which of the Following Refers to the "Great Man" Theory

 Which of the following refers to the "Great Man" theory?

A) A theory of leadership that explains leadership by examining the traits and characteristics of renowned leaders of human history
B) A theory in which leaders are more effective depending on the favorability of a leadership situation, which is described by leader-member relations and task structure
C) A theory of leadership in which leaders treat each member differently, and as a result, develop unique relationships with each member
D) A theory of leadership that tries to reveal a set of universal traits and skills that are relevant in all leadership situations