With no explanation, chose the best option from "A", "B", "C" or "D". pursuant to 28 U.S.C. § 2679(d) (Westfall Act), was effectively unreviewable on appeal from final judgment since the value of the right to immunity — i.e., the right not to have to answer for conduct in a civil damages action— would be lost if not vindicated before trial. 8 . The issue in Union Railroad was whether a proceeding before a Board convened under the Railway Labor Act had been properly conducted. The railroad company had appealed a district court order setting aside the decision of the Board and ordering a completely new hearing into the grounds for termination of a union member’s employment with the railroad. Analyzing the finality of the district court's order, we noted that because the district court had decided the disputed legal and factual issues, 07 (3d Cir.1991) (<HOLDING>); Pelleport Investors, Inc. v. Budco Quality

A: holding review of remand order based on forum selection clause not barred by  1447d
B: holding remand based on forum selection clause not within  1447c
C: holding that under 28 usc  1447c and d federal jurisdiction terminates once a section 1447c remand order has been mailed to the state court
D: holding that a permissive forum selection clause containing a waiver of any claims of forum non conveniens amounts to a mandatory forum selection clause at least where the plaintiff chose the designated forum
B.