Which of the Following Best Describes an Essentialist Understanding of Ethnicity

Which of the following best describes an essentialist understanding of ethnicity?

A) Ethnicity is fixed and static,with one clear set of characteristics which members of an ethnic group share
B) Ethnicity changes throughout the life course,though there are a set of core characteristics which members of an ethnic group share
C) Ethnicity is a characteristic which is mobilised in order to gain status or power
D) Ethnicity is a social process rather than a fixed entity