When using the MLA style, position explanatory notes either at the _____.

• A. top of the page as head notes or at the end of the paper as endnotes
• B. bottom of the page as footnotes or at the end of the paper as endnotes
• C. top of the page as head notes or at the beginning of the paper as front notes
• D. bottom of the page as footnotes or at the beginning of the paper as front notes