多选题 Popular interest in music performed by folk singer Jean Ritchie acted as a ______ because it ______ a wider interest in the music of Ritchie"s native Kentucky.
【正确答案】 A、D
【答案解析】[解析] ●because说明前后同义重复。
●两空联动，同义重复。
●catalyst催化剂，panacea万灵药，barrier阻碍；stir激起，overcome克服，mitigate使减轻。答案选AD。