Plagiarism can be done intentionally or unintentionally, and the best way to avoid doing the latter is by implementing certain strategies. You should most definitely not copy the document that you want to paraphrase in any way, because the possibility of plagiarism due to lack of proper paraphrasing is high. You should also refrain from rewriting your content in the same order as the original content.
Thus, the best strategy for Dani to use is (A) she reads the entire paragraph, then rewrites it in her own words, and then checks to make sure her version is not too similar to the text from the article.