The answer is "a. peer".
A testimony is a statement made by somebody who has involvement or information of a specific issue.
Peer testimony is given by a man who does not have mastery in the subject being referred to. Thus, the individuals who give peer declaration are some of the time alluded to as "against authorities."
Despite the fact that peer testimony can without much of a stretch be tested, it can in any case be a great device in convincing a group of people, especially when conveyed or given by a well-liked celebrity.
Answer: A. Peer
The testimony of Dwayne Martinez as an oil rig worker of Deep Horizon is an example of peer testimony for he is an ordinary man who have firsthand experience with the massive oil rig explosion.
Moreover, his testimony is consider as anti-authorities because it comes from a source that is neither an expert or from a popular personality but from a conventional worker.
