阅读以下短文,根据文章内容从选项中选出一个最佳答案或判断句子正误: C Online learning is becoming more and more popular nowadays, so it is important to get good learning habits if you join an online class. Here are some suggestions: First, it is a good idea to prepare well for online learning. You need a study plan. You can write down the daily tasks or weekly tasks you need to finish. Second, spend as much time online as if you are studying in a school. Moreover, you'd better talk with fellow students in your spare time and ask online teachers for help. Last but not least, don't forget to finish your homework online and check the answers. Online learning is more interesting than you think. 15. Which is not true according to the passage?