阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。
A
Break Your Bad Mood
Having one of those days or weeks--- when everything seems to annoy you? Even if you do nothing about it, your bad mood will probably go away after some time. But with a little effort, you can forget it much faster---often within a day or two.
Walk it off
Exercise is the most popular bad-mood buster. A person who's in a bad mood has low energy and high tension, taking a fast ten-minute walk, or doing some quick exercises can do wonders towards changing that bad mood.
Tune it out
Listening to your favorite music for a while can also make tension go away quickly, because music starts
