The Appropriateness of the Marble Cake Metaphor for Federalism

The appropriateness of the marble cake metaphor for federalism

A) relates particularly to programs that are designed to deal with local problems of only very limited significance.
B) has been questioned as a significant departure from the constitutional principle of separation of powers.
C) reflects eighteenth-century philosophies and principles concerning the role of local governments within the federal system.
D) is especially evident in programs in which the national government grants money for use by the states within programs largely shaped or regulated by the national government.
E) is no longer applicable to federalism, now that state and federal governments maintain clear and separate policy roles.