With Path-Goal Theory Incorporating So Many Different Aspects of Leadership

With path-goal theory incorporating so many different aspects of leadership within its model, which of the following could be argued?

A) The practical use of the theory is not valid.
B) It fails to determine the role of motivation.
C) It allows the leader to have a wider range of options as leader.
D) It is difficult to use the theory fully when trying to improve the leadership process.
E) It simplifies the theory as to allow greater implementation of the theory.