I’d say it’s C:) Since they were perceived as an authoritative figure, people felt as if they HAD to listen to them. His whole experiment was centered around learning people’s obedience to authority. Hope this helped:)
Here are the two to remember as we ponder these three questions: Logos – the logical appeal (the content of the argument). — This speaks to the “What do you want me to know?” question. Pathos – the emotional appeal (this has a lot to do with engaging with the audience.