[单项选择] The three main types of secondary education in the United States have been provided by the Latin grammar school, the academy, and the public high school. The first of these was a colonial institution. It began in New England with the establish ment in 1635 of the Boston Free Latin School. The curriculum (课程) consisted mainly of the classical languages, and the purpose of this kind of school was the preparation of boys for college, where most of them would be fitted for the ministry. The academy began in the early 1750’’s with Benjamin Franklin’’s school in Philadelphia, which later became the University of Pennsylvania. It extended generally to about the middle nineteenth century, except in the southern states where the public high school was late in developing and where the academy continued to be a principal means of secondary education even after 1900. The academy was open to girls as well as to boys, and it provided a wider curriculum than what the Latin grammar school had
A. European educational systems are not good
B. as high schools developed in the United States, the decision was made to make them responsible to people from all classes of society
C. there was an aristocratic and selective principle in the European educational tradition
D. public high schools in the United States embraced the European educational tradition