Which of the Following Is Not an Unethical Manipulation Technique

Which of the following is not an unethical manipulation technique that may be used by the media?

A) Using persuasive interviewing techniques to influence others to disclose material they would normally not disclose.
B) When a journalist makes an attempt in hard news to persuade using emotional rhetoric rather than fact.
C) When a journalist relies on an unsubstantiated argument without noting its weaknesses to produce a desired conclusion.
D) Any intentional and successful influence of a person by non-coercively altering the actual choices available to the person or by non-persuasively altering the other's perceptions of those choices.