题目

Have 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 way to remove bad mood．A person who’s in a bad mood has low energy and high tension. Taking a fast ten-minute walk, or taking some quick exercise can do wonders towards changing that bad mood. ◆Tune it out Listening to your favorite music for a while can also make tensions go away quickly, because music starts 在下图中，灯组成并联电路的电路图是 [　　] A．B． C．D．