Answer:
D. To promote high standards of ethical norms and values
Explanation:
The American Marketing​ Association is an association of marketing professionals in the United States that work or study in the field and it allows them to connect with other people in the same industry and have access and discounts on special events and information. This association has the goal of maintaining high ethical standards and integrity among its members. According to this, the answer is that one of the goals of the American Marketing​ Association is to promote high standards of ethical norms and values.