阅读理解
阅读下列短文，从每题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。
A
Whether it's a carol (圣诞颂歌）service or an evening of karaoke down the pub, many people will enjoy a good old singsong this Christmas. Singing aloud will not just lift the spirits - it's good for your physical health as well. Filling the lungs with air, increasing the heart rate and getting blood pumping round the body faster can all help our physical health.
For the past few years Heart Research UK has been running a Christmas campaign aimed at getting people
