Refer to the Scenario Below to Answer the Following Questions

Refer to the scenario below to answer the following questions.
Path-Goal Leadership (Scenario)
Harry knows that there are many different models of leadership. He wants to become more effective at his job, and also to assist his first-line managers in becoming more effective leaders. As he thinks about his first-line managers, he realizes that they each demonstrate a different leadership style. Jenna lets her employees know exactly what is expected of them and gives specific guidelines on how tasks are to be accomplished. Jack, on the other hand, always solicits information and suggestions from his employees before making a decision. Then there is Kate, who demands a lot from her employees. She sets challenging goals and expects all of her workers to try their best to achieve them. Finally, there is Frank, who is very friendly and shows constant concern for his employees and their welfare. Harry decides to use House's path-goal theory to further analyze his situation.
-According to the predictions from the path-goal theory, Jack's leadership style will be the preferred leader behaviour in which of the following situations?

A) Tasks are ambiguous.
B) Followers lack self-confidence.
C) Jobs are not challenging.
D) Followers need specific guidance on how to accomplish tasks.
E) Incorrect rewards have been offered.