单选题 8.  Grandma told the story in a very sad 比 and we were all moved.
【正确答案】 D
【答案解析】[考点] 名词辨析
sound声音;tune曲调;music音乐;tone语调。句意为:奶奶用悲伤的语调讲述了那个故事,所以我们都被感动了。