How Might the Establishment of "Safe Spaces" Be Seen as a Violation

How might the establishment of "safe spaces" be seen as a violation of the First Amendment?

A) Those areas would limit or restrict what can be said in those groups or spaces.
B) Safe spaces are discriminatory and violate equal protection clauses.
C) Such areas would prohibit students from carrying firearms to protect themselves.
D) Safe spaces protect only certain groups of people from coming to harm.