1-C. an example of the kind of schools that the European elite attended.an example of the kind of schools that the European elite attended.
一例、その種類のダヨ、学校のダヨ、欧州のエリートが通学しているダヨ。
2-C. The minuet originated in France and by the 18th century had become popular among the European elite.The minuet originated in France and by the 18th century had become popular among the European elite.
3-C. They were kept by the French royal family and other elites in the mid-18th century.They were kept by the French royal family and other elites in the mid-18th century.