The statement that best explains how the use of pundits or "talking heads" can increase the trustworthiness of news media is:
Their expertise could strengthen the evidence supporting the media’s claims.
Pundits often have specialized knowledge or experience in certain areas, which allows them to provide informed commentary and analysis. This expertise can lend credibility to the media's reporting, as it suggests that the information is backed by knowledgeable individuals who can articulate and contextualize complex issues.