With no explanation, chose the best option from "A", "B", "C" or "D". (action against union for breach of duty of fair representation); Barnett v. United Air Lines, Inc., 738 F.2d 358 (10th Cir.) (hybrid suit) (opinion on rehearing), cert. denied, - U.S. -, 105 S.Ct. 594, 83 L.Ed.2d 703 (1984); Welyczko v. U.S. Air, Inc., 733 F.2d 239 (2d Cir.) (hybrid suit), cert. denied, - U.S. -, 105 S.Ct. 512, 83 L.Ed.2d 402 (1984); Sisco, 732 F.2d at 1191-94 (hybrid suit, but statute of limitations ruling only on breach of duty of fair representation claim against the union); Hunt v. Missouri Pacific R.R., 729 F.2d 578 (8th Cir.1984) (hybrid suit, but statute of limitations ruling only on breach of duty of fair representation claim against the union); see also Triplett v. Local 308, Brotherhood of Railway, Airline and Steamship Clerks, 763 F.2d 625 (4th Cir.1985) (<HOLDING>); Linder v. Berge, 739 F.2d 686 (1st Cir.1984)

A: holding that the protect act amendments to the standard of review apply retroactively
B: holding that the limitation act does not apply to claims brought under the clean water act
C: holding delcostello governs a hybrid suit brought under the railway labor act but refusing to apply it retroactively
D: holding that apprendi does not apply retroactively
C.