I know that you said 'opening line', but I found all of that information kind of hard to fit into a handful of sentences. As a result, what I've written might really differ from your perceptions of the story. I hope that it's not too different and that it works for you. Good luck.
3 step by step explanation
I think the answer is A.) giving the readers clues about what is next to come:)
Answer:
If an authority figure ordered you to deliver a 400-volt electrical shock to another person, would you follow orders? Most people would answer with an adamant "no." However, the Milgram obedience experiment aimed to prove otherwise.
During the 1960s, Yale University psychologist Stanley Milgram conducted a series of obedience experiments that led to some surprising results. These results offer a compelling and disturbing look at the power of authority and obedience.