What Is One of the Consequences of the Effort to Shape

What is one of the consequences of the effort to shape and channel public opinion?

A) The line between campaigning and governing has blurred because presidents are more reliant on grassroots public support for winning policy battles.
B) As the White House takes a more aggressive stand in shaping public opinion, it has limited the opportunities for outside forces to participate.
C) It has resulted in greater fragmentation of the political attitudes Americans hold because there are so many competing messages.
D) It has reduced political efficacy because Americans only see competing efforts to shape opinions rather than a real dialogue on the issues.