Jody Is a White Woman Who Has Irish Ancestry on Her

Jody is a white woman who has Irish ancestry on her father's side and enjoys celebrating St. Patrick's Day in her hometown of Boston. In most aspects of Jody's life, however, being Irish American has no meaningful impact on her day-to-day life. This example illustrates that:

A) ethnicity has become less important in the United States.
B) tension between racial and ethnic groups has declined over time.
C) whites in the United States have a choice of whether or not to be ethnic.
D) pluralism is growing in the United States.