单选题 I enjoyed the concert last night; they played ______ beautiful music.

【正确答案】 A
【答案解析】[分析] music不是可数名词,所以其前不能用不定冠词修饰。so用来修饰形容词或副词,such用来修饰名词。本句中短语beautiful music的中心词是music,所以用such,而不用so。