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: The Yellow Wallpaper by Charlotte Perkins Gilman
Explanation:
A short story that describes a depressed woman after giving birth and how her husband and herself dealt with it. It's great if you want to talk about how a woman was treated insane in the late 1800s by her husband.
Answer: I often ask my dad, who is an excellent athlete, to play soccer with me
Explanation: I believe it is right