单选题   Generally, it is only when animals are trapped that they ______ to violence in order to escape.
 
【正确答案】 C
【答案解析】本句大意为:一般情况下,只有当动物被困时,才会采取暴力行动以求逃生。subject作形容词时,表示“易受……的,可有……的”,作动词时,意为“使服从,征服,使遭受,使易受”,如:The location of the island in the middle of the ocean subjects it to frequent hurricanes.该岛地处海洋中心,因而常受飓风的袭击。take to表示“开始从事,喜欢”,如:take to bad habits染上恶习;resort表示“求助,诉诸,采用”;incline表示“倾向,喜爱,有……的趋势”,如:I inclined to the opposite point of view.我赞同相反的观点。根据题意,应选C。