Which statement about ethnic and religious groups is correct?

A. Members of the same ethnic group usually share the same language, but not the same style of cooking.

B. Members of the same religious group usually share the same language, but not the same style of cooking.

C. Members of the same ethnic group have shared spiritual beliefs, but do not necessarily share the same ancestors.

D. Members of the same religious group have shared spiritual beliefs, but do not necessarily share the same ancestors.