Answer: Option(a),(b) and (c) are correct.
Explanation:
Traditional news organization is the mainstream model of mass media that helps in spreading and sharing different events in form of news.Reporter are the official media employee that deliver the stories through media by covering events.
News organization want reporter to share their covered stories on social media to gain popularity and people can get to know about it.This will improve news industry's goodwill and market value.
Reports are however, constrained from expressing their personal thoughts on the stories as well as views of any group on social media.They are expected to post the news content to gain views, popularity and nation's comment.
Thus, all the options are correct.