Final answer:
Don is motivated by the social need level in Maslow's Hierarchy of Needs, as he enjoys working in teams and with others.
Step-by-step explanation:
Don, described as a "people person," is motivated by the need to work in teams. According to Abraham Maslow's Hierarchy of Needs, the level of need that is motivating Don is the need for social interaction. This is because once basic physiological and safety needs are met, social needs such as love, belonging, and acceptance become important for motivating behavior. So, in Don's case, the answer is e. social - recently emphasizing teamwork at his job fulfills Don's social needs as defined by Maslow's Hierarchy.