Read the following excerpt from a US court opinion:
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a government actor under the facts of this case under a “functional” or “federal action” analysis. Hall correctly points out that the Red Cross has been considered a government instrumentality in tax immunity cases. Department of Employment v. United States, 385 U.S. 355, 359-60, 87 S.Ct. 464, 467-68, 17 L.Ed.2d 414 (1966); United States v. City of Spokane, 918 F.2d 84, 88 (9th Cir.1990). However, this fact is not dispositive of the issues presented here. The question of whether a corporation is performing sufficient secondary or derivative government functions to be shielded from state taxation under M’Culloch v. Maryland, 17 U.S. (4 Wheat.) 316 (1819) is a far different question from whether it is subject to a constitutional restriction against burdening 127, 1132 (9th Cir. 1994) . As with many other government-chartered
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What is the most suitable continuation to the opinion? Your options are:
A. recognizing statutory credit
B. holding that credit for social security old age and survivor benefits does not also include credit for federal disability benefits
C. recognizing that stateimposed restrictions upon property may be attributed to the federal government for purposes of a takings analysis where the state officials acted as agents of the federal government or pursuant to federal authority
D. holding a federal credit union not to be a government actor for constitutional purposes
E. holding that amtrak is an agency of the government  for purposes of the constitutional obligations of government
Reply with [A, B, C, D, E] only.