单选题 The three points of view that indicate the relations of individuals are ______.

A、 relations characterized by natural development; relations that are culturally determined; socially accepted behavior among the group
B、 relations to natural and unnatural world; relations among people; conditioned relations
C、 relations to organic and inorganic outer world; relations among human behavior; objectively conditioned relations
D、 relations to living environment; relations among members of the same social group; subjectively conditioned relations

【正确答案】 D

【答案解析】文章中提到了三方面的关系，一为与有机和无机的外部世界的关系，二为同一社会群体成员之间的关系，三为主观设定调节的关系。答案D的二、三点与原文一样，第一点的意思是与生活环境的关系，也就是与外部世界的关系。所以答案是D。