Which of the following is true about Path-Goal Theory

(A). The path-goal theory, or the path-goal model of leader effectiveness, was formulated by Robert House.

(B). According to the original path-goal theory, a manager's role is to guide workers in choosing optimal paths to achieve both individual and organizational goals.

(C). The original theory identifies four leader behaviors

(D). Path–goal theory assumes leaders can adapt their style to different situations, introducing two contingency variables—environment and follower characteristics.