【正确答案】 A

【答案解析】第二段中作者用“Verdi transforms this naive and unlikely formulation with music of extraordinary energy and rhythmic vitality, music more subtle than it seems at first hearing．”一句说明Verdi用生动有力的音乐节奏改变了过去歌剧幼稚和不真实的模式，使听众直接理解这些歌剧的政治含义。