This isn't neccessarily true. Your introduction can still make sense without the hook, and the information inside the introduction part should really not directly depend on the hook to explain them, they should either be self explanatory, or you should explain them there.
Hopefully this helps!
Advised
behaving as someone, especially the speaker, would recommend; sensible; wise.
Hello,
Here is your answer:
The proper answer to this question is option C "The Milgram experiment proved that people are more likely to harm others when placed in a position of power over another human being". The central idea of a essay is the theme of the story.
Your answer is C.
If you need anymore help feel free to ask me!
Hope this helps