With no explanation, chose the best option from "A", "B", "C" or "D". shall not be participating as to delay rentals payable under the outstanding lease nor as to delay rentals or cash bonuses payable under the future leases.... However, whereas Coates participated in other attributes of a mineral estate under the Richardson/Coates Deeds, the above language amends that conveyance to strip him of the right to participate in delay rentals payable under the outstanding lease and delay rentals or cash bonuses payable under future leases. Appellants argue that stripping Coates of these rights resulted in a conversion of the mineral interest granted to Coates in the Richardson/Coates Deeds to a nonparticipating royalty interest. We disagree. A mineral interest shorn of certain attributes nevertheless remains a mineral interest. See Altman, 712 S.W.2d at 118-19 (<HOLDING>). If the Richard-sons had meant to convey only

A: holding that a mineral interest shorn of the executive right and the right to receive delay rentals remains an interest in the mineral fee
B: holding constitutional a statute providing that a mineral interest would lapse to the surface owner if the interest owner either made no use of the interest or failed to file a claim with the state within a twenty year period
C: holding constitutional a federal recording system requiring owners of certain mineral interests on federal lands to file annual claims of their interest in the absence of which the interest would escheat to the federal government
D: holding that even if a particular privacy interest is minor nondisclosure remains justified where  the public interest in disclosure is virtually nonexistent
A.