Using "Teasers" in Electronic Media as a Way to Pull

Multiple Choice

Using "teasers" in electronic media as a way to pull readers or listeners into a story or other document

A) is unethical and should always be avoided.
B) is appropriate only when large purchases are not involved.
C) is acceptable,as long as the payoff is valuable and legitimate.
D) is never appropriate for microblogging sites.
E) was once effective,but is not any longer due to an Internet-savvy public.