In the United States,programs Such as the Interstate Highway System

 In the United States,programs such as the interstate highway system and services to the unemployed are MOST accurately considered 

A)  state functions that operate without any involvement on the part of the federal government. 
B)  federal functions, although state governments pay some of the costs. 
C)  state functions that are designated under the Tenth Amendment. 
D)  federal functions that operate without any involvement on the part of state governments. 
E)  state functions, although the federal government seeks to regulate them.