With no explanation, chose the best option from "A", "B", "C" or "D". contracting agency provided a coherent and reasonable explanation for its exercise of discretion.” Impresa, 238 F.3d at 1332-33; see also Marsh v. Oregon Natural Res. Council, 490 U.S. 360, 378, 109 S.Ct. 1851, 104 L.Ed.2d 377 (1989) (“[I]n making the factual inquiry concerning whether an agency decision was ‘arbitrary or capricious,’ the reviewing court ‘must consider whether the decision is based on a consideration of the relevant factors and whether there has been a clear error of judgment.’ This inquiry must ‘be searching and careful,’ but ‘the ultimate standard of review is a narrow one.’ ”) (quoting Citizens to Preserve Overton Park, Inc. v. Volpe, 401 U.S. 402, 419, 91 S.Ct. 814, 28 L.Ed.2d 136 (1971)); Grumman Data Systems Corp. v. Widnall, 15 F.3d 1044, 1046 (Fed.Cir.1994) (<HOLDING>). In the alternative, to prevail on a challenge

A: recognizing that administrative agencies are not bound by rules of evidence
B: holding agencies of state government are part of the state for purposes of sovereign immunity
C: recognizing that government agencies are entrusted with a good deal of discretion in making procurement decisions
D: recognizing duty to deal in good faith in workers compensation setting
C.