完型填空。阅读下面短文，掌握其大意，然后从以下题所给的A、B、C、D四个选项中，选出最佳选项。
Rosa liked making up stories. She was so __1__ that her classmates believed her from time to time. In fact, the whole class believed her! At first she supposed it was __2__. Now, as she got up to __3__ before the class, She knew that make –believe stories had some way of coming back to make you sad.
