Which of the Following Statements About House's Path-Goal Theory Is

Which of the following statements about House's path-goal theory is true?

A) Current assessments of path-goal theory by well-known scholars have pointed out that many aspects have not been tested adequately.
B) Training could be used to change leadership behavior to fit the situational contingencies.
C) The leader could be taught to diagnose the situation and learn how to try to change the contingency.
D) There is very little recent research concerning the theory.
E) The path-goal theory is the most highly regarded leadership theory.