问题详情

What was the purpose of the author to write the passage？
A．It was to tell people the difference between Eton on the one hand and Oxford and Cambridge on the other.
B．It was to tell people what the public schools in Great Britain are like.
C．It was to tell people something about British educational system.
D．All of the above.请帮忙给出正确答案和分析，谢谢！