Part a: which of the following identifies a central idea of the text?
a
news media has evolved to include a range of sources, but it continues to play an important role in informing citizens and holding public officials accountable.
b
news media can be a valuable resource for learning about current events, but it is impossible to determine whether information is unbiased.
c
news media has shifted to consist mainly of online sources, which makes checking the validity of a source difficult.
d
news media provides unprejudiced information to the people, which allows them to remain informed and hold those in power accountable for their actions.