Hello!
I think Mark was using summarizing, because of the way Mark phrased his sentence. "The main point" does invoke a summary of a sort. Now, C is possible, as well, but not likely. I'd suggest sticking to A.
Have a wonderful day! :)
-L
Answer: A. Albert Einstein’s early career.
Explanation: A documented essay or a research paper is a piece of writing in which you incorporate information (facts, arguments, opinions) taken from the writings of experts in a particular field. One of the most important steps to write a documented essay is to choose a good topic, it should be well defined and narrow enough to be covered in the essay. From the given options, the topic that would serve as the subject of a documented essay is "Albert Einstein’s early career" because the other ones are too extensive and general.
In my opinion no because they do it for fun and there is no need for them to be paid.
It would be an example of imagery, which is the figurative device that focuses on vivid details. Hope this helps! :)
Answer:
What makes you a good friend is how you treat the person and how you act towards them