One of the Reasons the Reporting of National News Is

One of the reasons the reporting of national news is relatively uniform among news sources is that

A) the government dictates much of what is reported.
B) there are only a few important events each day that merit news coverage.
C) the network newscasts are brief and the day's top stories tend to dominate.
D) reporters are not given much freedom by their editors.
E) modern journalists have become fairly lazy and use mostly wire reports to create news copy for the network newscasts.