Which of the Following Is True About the Role of Social

Which of the following is true about the role of social media in promotion?

A) Social media are considered a one-to-many model of communication.
B) Social media have no direct media cost.
C) Social media provide opportunities for owned and earned media,but not for paid media.
D) Social media involve a relatively long planning cycle-longer than advertising.
E) Social media operate in the same way that advertising does.