Which of the Following Summarizes Tactics Used by a Group

Which of the following summarizes tactics used by a group conducting an outside strategy?

A) working with other groups, litigating, and mobilizing public opinion
B) drafting legislation, conducting research, and working with other groups
C) electioneering, grassroots lobbying, and using the initiative process
D) using political action committees, mobilizing public opinion, and testifying before Congress
E) astroturf lobbying, mobilizing public opinion, and drafting legislation