The option that best describes public service journalism is A. Reporters provide objective reports.
Public service journalism is a kind of journalism in which there is no bias and reporters speak about issues of common concern, providing the citizens with the information needed to form reasoned opinions about it.
In this case, the other options (B-C-D-E) are not proper characteristics of public service journalism.
The author's main purpose was the explain that the Community Service Council was effectual to high school students. The personal backstory was to add more evidence of the effectiveness.