The author implies which of the following about Astell's "supposition"? A. It is likely to have arisen because of Astell's unawareness of much of the historical work written by women. B. It was one that Astell reconsidered after she wrote her own historical work. C. It was one that was not shared by other feminist historians of Astell's time. D. It was one that inspired Astell to write her own historical work. E. It directly contradicts one of the basic claims of herstory.