Answer:
I think the answer is D, but don't quote me on that
The excerpt from Tinker v. Des Moines that shows how precedent helps support an argument is: A. In the absence of a specific showing of constitutionally valid reasons to regulate their speech, students are entitled to freedom of expression of their views. As Judge Gewin, speaking for the Fifth Circuit, said, school officials cannot suppress 'expressions of feelings with which they do not wish to contend.
