With no explanation, chose the best option from "A", "B", "C" or "D". 470 U.S. at 744, 105 S.Ct. 1598). “ ‘[D]e novo review is appropriate only where there are inadequate factfinding procedures in an adjudicatory proceeding, or where judicial proceedings are brought to enforce certain administrative actions.’ ” Id. (citing Camp v. Pitts, 411 U.S. 138, 142, 93 S.Ct. 1241, 36 L.Ed.2d 106 (1973)). A court need not remand to an agency when: (1) although the agency failed to abide by the proper procedures of the APA, it arrived at its conclusion in another manner which was valid under the APA, NLRB v. Wyman-Gordon Co., 394 U.S. 759, 89 S.Ct. 1426, 22 L.Ed.2d 709 (1969); or (2) even if the agency did not abide by the proper regulations, the agency took corrective action, making remand meaningless, A.L. Pharma, Inc. v. Shalala, 62 F.3d 1484 (D.C.Cir.1995) (<HOLDING>); or (3) plaintiffs conceded the issue to be

A: holding a prior case was not precedent on an issue when the issue was not contested
B: holding that remand was meaningless on one issue but still remanding the case to the agency on another issue
C: holding previous case when no one challenged the issue could not be precedent on the issue
D: holding that the court bars a party from raising an issue on remand that  was not raised on appeal
B.