I would say that it is C sarcasm
While I do agree with that prompt, I think this is more of a thing that you would have to do because of what the prompt asked.
B seems to be the most reasonable
I think the correct answer from the choices listed above is option B. It would be proofreading sentences for punctuation that is <span>not a step in writing a draft of an autobiography. It should be in the last steps in writing. Hope this answers the question.</span>