Question

should be used when you want to reinforce the importance and significance of your arguments especially when you are not an expert on your topic. be sure to stress the competence and lack of bias of your sources, and emphasize their recent nature
a examples
b narrations
c testimonies
d statistics
please select the best answer from the choices provided

Explanation:

Testimonies from reliable sources can reinforce the importance of arguments, especially when the speaker isn't an expert. Stressing the competence, lack of bias, and recency of the sources enhances their credibility.

Answer:

C. Testimonies