Distinctive sound refers to ______.

A．Legislation and government intervention.
B．The industry’s understanding and support.
C．The efforts of environmental health professionals.
D．The cooperation of ecologists, environmental activists and conservationists.

A．People are first a human being, then a social member
B．Common humanity will conflict with the membership of a particular group
C．Humanity is above the particularity of race, religion and so on
D．Particularism and its divisiveness don’t belong to today’s world