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. (A) deterrent n. 妨碍物...launched v. 发射 (B) panacea n. 万能药...overcame v. 克服 (C) barrier n. 障碍物...awakened v. 唤醒 (D) catalyst n. 催化剂...stirred v. 搅动 (E) provocation n. 激怒.....