In the excerpt, it is possible to notice the speaker's efforts to relate to the audience when he/she states<em> "I bet some of you are doubtful that the advertised thrills could satisfy our teen-aged preferences.</em>". The sentence reveals how the speaker wants to engage with the audience, and not give a monologue that will be hard to relate to. By deviating from his/her narration to open a window to connect with the audience and to acknowledge their presence, the speaker is making his/her narrative more approachable.
D) He uses an appeal to reason and logic, arguing that, since the judiciary's job is to make sure that laws follow the rules set out by the Constitution, the courts cannot be influenced by the branches that pass or enforce those laws.