Answer:
C) A professional association in the United States for clinical and research psychologists.
Step-by-step explanation:
American Psychologist Association stands for the abbreviation APA, which was founded in 1892 at Clark University by a small group. Now it is the largest organization of the psychologist in the United States and includes 118,000 consultants, researchers, educators, and students. It works for the advancement of psychological knowledge and its application for the betterment of the society. It creates awareness among the people regarding psychological issues and making a positive impact on the society.