If you think about theme and understand what it is then you read the paragraph or sentence that you are reading then you will know exactly the theme of the story.
Answer:
In order to make an ethos, or ethical, appeal, convince the audience that you are a reliable, intelligent and can be trusted. Here is how you can achieve this: Provide personal experience or know someone whose experience can relate to what you are talking about. Use detailed and recent research in your argument.
When we say logical, this means that it is according to the rules of logic or formal argument. Therefore the correct answer that would best complete the given statement above would be the third option. If a claim is logical, that means it is <span>founded on fact. Hope this answers your question.</span>