关于美国1787宪法的叙述,正确的是(    ) ①之前美国是邦联制国

关于美国1787宪法的叙述,正确的是(   

①之前美国是邦联制国家       ②它是由国会颁布的

③它体现了分权与制衡的原则   ④有一定的局限性

A.①②③④      B.①④          C.②③④      D.①③④

答案

D

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