What Best Explains Why So Many Children Attend Public Schools

Multiple Choice

What best explains why so many children attend public schools, instead of private schools?\

A) Public schools provide a significantly better education, as measured by SAT scores.
B) Public schools have nicer facilities and better sports programs.
C) When a student attends a public school they do not have to pay tuition.
D) Private schools have catered only to the wealthy and therefore ordinary Americans would not be welcome in private schools.