Of the Following Statements,which One Describes Earmarks

Multiple Choice

 Of the following statements,which one describes earmarks? 

A)  They have always existed. 
B)  They became more common in the 1970s and afterward. 
C)  Their expansion was prompted, in part, by the growth of the federal government. 
D)  Their expansion was prompted, in part, by the efforts of lobbyists. 
E)  All of these are correct.