With no explanation, chose the best option from "A", "B", "C" or "D". but not limited to the matters set forth in Article XI of the Plan.” Confirmation Order ¶ 41. Article XI of the Plan provides for the Court to retain exclusive jurisdiction to “[h]ear and determine all matters related to (i) the property of the Estates from and after the Confirmation Date, (ii) the winding up of the Debtors’ affairs, and (iii) the activities of the Liquidating Trust and/or the Liquidating Trustee, including (A) challenges to or approvals of the Liqui'dating Trustee’s activities ....” Plan, Art. XI, ¶11. This Court has core jurisdiction over matters concerning, the Liquidating Trustee’s administration of estate property in the Liquidating Trust. See id.-, see also Dalkon Shield Claimants Trust v. Reiser (In re A.H. Robins Co., Inc.), 972 F.2d 77, 79 n. 1 (4th Cir.1992) (<HOLDING>). The Liquidating Trustee complains that

A: recognizing the validity of exclusive jurisdiction retention provisions in a plan
B: holding that plan language giving plan administrator power to determine which employees are eligible to participate in the plan and providing all parties dealing with the plan an interpretation of plan provisions on request indicates deferential standard of review of trustee eligibility decisions
C: holding that the remedies are exclusive
D: recognizing validity of state antidiscrimination provisions
A.