阅读理解。阅读下列短文, 从给的四个选项 (A、B、C和D) 中, 选出最佳选项。
【2014·江西省抚州五校高三第六次联考】
Parents who are thinking of sending their children to private schools often weigh the advantages and disadvantages because not all people can afford to send their children to these schools.They are definitely not cheap.There is also the anxiety of being separated from their children.However,there are many advantages private schools can have over public schools.