The correct answer is B) directional.
David is very frustrated because he feels that he works very hard for the company but is not rewarded. David's trying very hard indicates he has a high directional element of motivation.
David knows that his motivation requires direction and focus to maintain the purpose and the goal of his hard work. That is why he is committed to working hard, be persistent, and never quit on his aspirations. Knowing that he is doing all of that, he feels frustrated because nobody is appreciating his effort and dedication.
