Concept:Achievement motivation is the inner drive that pushes a person to accomplish challenging goals and excel. It is directly linked to a person's need for success and accomplishment.Explanation:Achievement motivation is not about knowledge, aptitude, or experience alone. It is about the need to achieve. People differ in this need. Some have a strong desire to overcome difficulties and reach high standards. Others are satisfied with minimal effort. Those high in achievement motivation prefer tasks that are moderately difficult and rewarding. This desire to excel comes from within. It is a personal need to prove one's abilities. Therefore, achievement motivation is fundamentally tied to the individual's need for achievement.Answer:D. Need of the person