"credentials" in the last paragraph refers to______.

A．in the society rules must be observed anywhere
B．the society is based on the strengths of a traffic system
C．in any case everything arouses tow-sided comments
D．in any case the social regulations is not substantial

A．There can never be a unanimous consensus concerning the identity of individuals or groups in a modern society.
B．A modern society is characterized by disorder, as there is no common morality and consensus.
C．In a modern society people obey rules mostly on the basis of their deep moral conviction.
D．A modern society needs no moral solidarity when it is threatened by grave internal or external perils.