Which of the Following Statements Is True of the Impact

Which of the following statements is true of the impact of partisan bias on reporting?

A) If reporters hold liberal views, they are reflected in their reporting.
B) Left-leaning reporters automatically equate to left-leaning news coverage.
C) Reporters are completely responsible to printing and airing news stories, hence the news coverage is biased.
D) The impact of a published story is biased according to the leaning of editors or publishers.
E) The most important protection against bias in reporting is a commitment to professionalism on the part of most journalists.