单选题
______ about the possibility of an impending avalanche, many people ______ lived on the side of the mountain still leave their house for farming.
【正确答案】
C
【答案解析】句意：虽然反复收到可能即将发生雪崩的警告，住在山边的很多居民还是离开了房子去干农活。前半句为伴随状语，因此第一空应当用现在分词形式。排除A项和D项。第二空引导定语从句修饰主语many people，因此应当用关系代词who。故答案选C。