Final answer:
The Basque ethnic group is not one of Europe's four major ethnic groups. The Germanic, Latin, Slavic ethnic groups are major ethnic groups in Europe.
Step-by-step explanation:
Europe's four major ethnic groups are Germanic, Latin, Slavic, and Basque. Therefore, the correct answer is C. Basque. The Germanic ethnic group includes people of German, Dutch, English, and Scandinavian descent. The Latin ethnic group includes people of Italian, French, Spanish, and Portuguese descent. The Slavic ethnic group includes people of Russian, Polish, Ukrainian, and Serbian descent.
Learn more about Europe's major ethnic groups