Which of the Following Statements Is True of Talk Radio

Which of the following statements is true of talk radio? 

A)  Talk shows have failed to provide a populist forum for the public. 
B)  The growth of talk radio was made possible by the Federal Communications Commission's appeal to restore the fairness doctrine. 
C)  Talk shows empower fringe groups, perhaps magnifying their rage. 
D)  Americans have come to reject talk radio as an outlet for the political right. 
E)  Most of the top talk-radio shows are politically liberal.