Problem: Dominique has found a good hashtag to research a local election, and she is now going through posts and sees that some of them have more than one hashtag attached to them. Which BEST explains why this is useful information for Dominique? A. She is learning new hashtags that she can search for. B. She is learning more about hashtags and how they work. C. She is learning which hashtag the people she is searching prefer. D. She is learning that the original hashtag she searched is not the only one.