Final answer:
The Basque ethnic group is not one of Europe's four major ethnic groups.
Step-by-step explanation:
The correct answer is C. Basque. The four major ethnic groups in Europe are the Germanic, Latin, Slavic, and Celtic groups. The Basque people, however, are an indigenous ethnic group found mainly in the Basque Country, which spans parts of northeastern Spain and southwestern France.
Learn more about Major ethnic groups in Europe