Which of the following is true about the difference between private schools and public sch

Which of the following is true about the difference between private schools and public schools？

A．Private schools are schools that are provided by federal funding while public schools are provided by state funding.

B．Attending public school is compulsory while attending private school is of personal choice.

C．Attending private school demands families pay tuition while public schools are free.

D．Only public school could lead to the undergraduate education.

请帮忙给出正确答案和分析，谢谢！