5. which one of the following political interest groups falls into the organized labor category?

a. national broadcasting corporation
b. national rifle association
c. national education association
d. national audubon society

Out of the following political interest groups, the C. National Education Association falls into the labor category which is organized.

The National Education Association is a large group formed of the professionals working in the field of education. The service that they provide is just another structure of sophisticated labor. These professionals that together make up the entire association are all a part of the organized sector.

Their main goal is to improve the education and promise the education for the public.  Hence, the association made by them would naturally fall in the category of organized labor.