In Schenck V

In Schenck v.Pro?Choice Network,a 1997 decision,the Supreme Court held that:

A) abortion protesters can be forbidden to enter a 15-foot "floating buffer zone" around clinic patrons.
B) a 15-foot "floating buffer zone" around clinic patrons is unconstitutional--protesters have a right to approach patients.
C) abortion protesters can be ordered to stay 500 feet away from clinics.
D) abortion protesters can be barred from demonstrating anywhere in the same town as a clinic that does abortions.
E) this decision did not concern abortion protests.