Read the following excerpt from a US court opinion:
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161 L.Ed.2d 181 (2005). While other portions of § 1591 have been challenged on vagueness grounds, the question of § 1591(d)’s facial validity has not been considered by federal courts. See United States v. Clinton, CR 12-40018-01-KES, 2012 WL 5195987 (D.S.D. Oct. 19, 2012). Defendant contends that he could not know what actions could expose him to criminal liability under the statute. It is true that § 1591 lacks the heightened “corruptly” mens rea of 18 U.S.C. § 1503, the general obstruction of justice statute, and that “criminal offenses requiring no mens rea have a ‘generally disfavored status.’” Liparota v. United States, 471 U.S. 419, 426, 105 S.Ct. 2084, 85 L.Ed.2d 434 (1985) (citation omitted); see also Pettibone v. United States, 148 U.S. 197, 13 S.Ct. 542, 37 L.Ed. 419 (1893) . In the context of a vagueness challenge, this
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What is the most suitable continuation to the opinion? Your options are:
A. holding that before a court imposes an enhancement for obstruction of justice the court must review the evidence and make independent findings necessary to establish a willful impediment to or obstruction of justice 
B. holding under predecessor to  1503 that a person is not sufficiently charged with obstructing or impeding the due administration of justice in a court unless it ap pears that he knew or had notice that justice was being administered in such court
C. holding that trial court had discretion to relax the thirtyday rule in the interests of justice
D. holding that the court will not consider an issue not raised in the district court unless 1 it involves a pure question of law and refusal to consider it would result in a miscarriage of justice 2 the party raising the issue had no opportunity to do so before the district court 3 the interest of substantial justice is at stake 4 the proper resolution is beyond any doubt or 5 the issue presents significant questions of general impact or great public concern
E. recognizing inherent power in the courts to preserve the efficient and expeditious administration of justice and protect it from being impaired or destroyed
Reply with [A, B, C, D, E] only.