Option C. To include a clip from an interview with a highway patrol officer would be the best to include to make an ethical appeal to the audience.
In persuasive writing or speech, an ethical appeal is a method of persuasion that it is based on the author's credibility. By using a clip from an interview with a highway patrol officer, the author is including a source that is considered an expert on the topic, in this case a patrol officer talking about driving security.
a. typical and b. trivial is awkward. we are left with c and d. it would also be awkward to say that it was an unremarkable moment for the women's team to advance to win the title. Therefore, it must be pivotal (crucial importance).