Help please
Witch of the following best summarizes the difference between indirect and direct persuasion?
A: direct persuasion is always more effective than indirect persuasion.
B: direct persuasion is always unethical, while indirect persuasion is always ethical.
C: a speaker using direct persuasion dose his best to disguise or de-emphasize his purpose, while a speaker using indirect persuasion will make his purpose clear.
D: a speaker using direct persuasion will make his purpose clear, usually outright, while a speaker using indirect persuasion will disguise or de-emphasize his purpose.
E: indirect persuasion is always unethical, while direct persuasion is always ethical.