In which example is credibility used as a speaking tool?

AThe speaker offers a factual basis for an argument.
BThe speaker presents his or her personal qualifications.
CThe speaker appeals to the audience's sense of compassion.
DThe speaker alludes to the importance of the audience's opinion.

Verified Answer :


A. The speaker offers a factual basis for an argument.

A primary source is a type of obtaining or sourcing information after the phenomenon occurred at that particular time and when photographs are the first-hand materials that were able to capture that specific moment which then can convey the information. Primary resources also include –newspapers, journal articles, magazines and etc. These information are very vital for its credibility and reliability.