With no explanation, chose the best option from "A", "B", "C" or "D". the Student Plaintiffs’ protected First Amendment interests, a delay of only a few hours .was not a sufficient injury to invoke the protections of Article III of the Constitution. See Ingraham v. Wright, 430 U.S. 651, 674, 97 S.Ct. 1401, 51 L.Ed.2d 711 (1977) (“There is, of course a de minimis level of imposition with which the Constitution is not concerned”); Brown v. Stone, 66 F.Supp.2d 412, 436 (E.D.N.Y.1999) (“[A]ny perceived chilling effect would appear to be de minimus, and hence not of constitutional significance.”); Arce v. Banks, 913 F.Supp. 307, 309 (S.D.N.Y.1996) (“At most, [plaintiff] has suffered a de minimus infringement of his First Amendment rights which is not actionable in a § 1983 petition”); Laird v. Tatum, 408 U.S. 1, 14, 92 S.Ct. 2318, 33 L.Ed.2d 154 (1972) (<HOLDING>). Because the Student Plaintiffs have failed to

A: holding that plaintiffs who alleged a subjective chill of their first amendment rights failed to establish specific present objective harm or a threat of specific future harm
B: holding that common law duty to warn arises when a person being released from custody has made a specific threat of harm directed at a specific individual
C: holding that  the threat of future harm not yet realized is not enough 
D: holding all that is required to impose a duty to warn is that the defendant knew or should have known of a specific threat made to harm a specific person
A.