All of the Following Are True About Religious Displays on Public

All of the following are true about religious displays on public property except

A) court cases over these issues have been ruled upon under the establishment clause.
B) religious displays have been allowed in certain situations.
C) displays of a crèche at Christmastime may be allowed if non-secular displays are also being shown.
D) nativity scenes have been allowed to be displayed by themselves.
E) displays such as lights, Santa Claus, and reindeer have been allowed.