Question: Why can negative advertising can backfire? a. It may boost the chances of a third candidate. b. The public may think poorly of a candidate who engages in negative advertising. c. The public does not pay attention to negative ads. d. The public is tired of negative advertising, and there is a backlash from the citizens. e. It may boost the chances of a third candidate, and the public may think poorly of a candidate who engages in negative advertising.