Technically, all of these answers are ways to revise your work. I would go with B, Run a spell check and correct errors because it looks like the most accurate way to edit documents.
I need the option first before I can answer that question
A thesis statement focuses your ideas into one or two sentences. It should present the topic of your paper and also make a comment about your position in relation to the topic. Your thesis statement should tell your reader what the paper is about and also help guide your writing and keep your argument focused.
