When Would the Secret Identity of an Anonymous Poster Not

When would the secret identity of an anonymous poster not likely be protected online?

A) When posting a true threat against a former spouse
B) When creating a fake Craig's list advertisement telling people who want "a good time" how to get to your employer's address.
C) When sharing online through an email chain intimate pictures of a roommate.
D) When creating a fake profile and posting harmful rumors about a teacher.
E) all of the above