【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