why would the supreme court rule, as they did in Engel v. Vitale, that a public school district cannot compose a school player to begin the school day?

A. public schools are government institutions and cannot establish religious practices.
B. students are citizens and should not be forced to do things they don't agree with.
C. it would take away parents' rights to practice a different religion at home.
D. taxpayers should agree before being asked to fund religious activities in public schools.

A. public schools are government institutions and cannot establish religious practices.