B

Explanation:
Maslow’s hierarchy of needs includes, in ascending order: physiological, safety, social, status/ego (esteem), and self-actualization needs. Praise and promotion fulfill status/ego needs, which involve recognition, respect, and a sense of accomplishment. These actions boost an individual’s self-esteem and social standing within the organization. Option A, self-actualization, relates to achieving personal potential and is higher in the hierarchy, not primarily addressed by praise or promotion. Option C, social needs, involves belonging and relationships, not directly tied to praise or promotion. Option D, safety needs, concerns security and stability, which are lower-level needs not met by these actions.