单选题 The American society is _____ an exceeding shaky foundation of natural resources, which is connected with the possibility of a worsening environment.无

A、 established on
B、 affiliated to
C、 originated from
D、 incorporated with

【正确答案】 A

【答案解析】句意：美国社会建立在一个极其不稳定的自然资源基础之上，有环境恶化的可能性。 establish on建立在。affiliate to使……隶属于。originate from发源于。incorporate with合并；混合。