Sociologists who practice ______ sociology want to find out what is happening in some aspect of society and determine the reasons for it.

The correct answer is D. applied.

Applied sociology focuses on understanding specific aspects of society to address social issues and provide solutions based on research findings. Unlike basic sociology, which primarily seeks to understand social phenomena, applied sociology aims to directly influence or implement changes in the community. If you have more questions or need further assistance, feel free to ask!