单选题 Lack government support, they had to approach sponsors, organizers, and musicians on their own—at first, she claims, in her country.

【正确答案】 C

【答案解析】[解析] 第一个逗号前是原因状语从句，它的逻辑主语又和句子主语一致，因此应是动词-ing形式构成的状语从句。答案为C。