“For many reasons, humans did not notice they were being watched”
states the central idea of the first paragraph. The correct
answer between all the choices given is the first choice. I am hoping that this
answer has satisfied your query and it will be able to help you in your
endeavor, and if you would like, feel free to ask another question.
Can we see the sentences, please?
Answer:
you need to send it first so I would like to give feedback
The correct answer is option B
You didn’t attach the passage. In order to infer, we need background context.