My guess would be A. By making sure you don't mix your word with the words of the source. To avoid plagiarism read your source but when you go to type or write your essay put it in your own words.
<span>She regrets losing her cultural identity as an Indian.
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"<span>d. Because one of the witches' prophecies has come true" would be the best option from the list, since it is the witch's ideas and warnings that are often most feared in this tale. </span>