Answer:
Option D.
Step-by-step explanation:
An ethnic group, is the right answer.
A group of people who recognize with each other generally on the grounds of a presumed popular lineage or ancestry or on connections such as shared dialect or language, society, history, nation or culture, is known as an ethnic group. Ethnicity is usually employed synonymously with the word nation, especially in matters of ethnic nationalism, and is different from but parallel to the theory of races.