Read the following excerpt from a US court opinion:
```
Establishment Clause of the First Amendment. Government action challenged as violating the Establishment Clause must satisfy the test set forth in Lemon v. Kurtzman, 403 U.S. 602, 91 S.Ct. 2105, 29 L.Ed.2d 745 (1971): To pass muster under Lemon, the challenged practice must (1) reflect a clearly secular legislative purpose; (2) have a primary effect that neither advances nor inhibits religion; and (3) avoid excessive government entanglement with religion. Preliminarily, to prevail on its Establishment Clause claim, plaintiff must prove two key facts: (1) anthroposophy constitutes a “religion” for Establishment Clause purposes; and (2) if anthroposophy is a religion, that there is an anthroposophieal curriculum at the subject public Waldorf-method schools. See Alvarado, 94 F.3d at 1227 . As set forth above, the parties agreed that
```
What is the most suitable continuation to the opinion? Your options are:
A. holding that the establishment clause forbids studentinitiated religious meetings on public secondary school property
B. holding that there is no statute of limitations for establishment clause challenges to stillexisting religious displays
C. holding no violation of federal establishment clause
D. holding that establishment of christmas day as legal public holiday did not violate establishment clause
E. recognizing that the court had to first consider whether the object in question can be defined as religious for establishment clause purposes
Reply with [A, B, C, D, E] only.