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【单选题】It is hard to get any agreement on the accurate meaning of the term "social class". In everyday life, people tend to have a different approach to those they consider their equals from that which they ...
A.
to define the term social class does not involve much difficulty
B.
there is much alternation in people’’s social classes
C.
to evaluate a person’’s social class is a very complex procedure
D.
we can tell which social class a person belongs to by the way he behaves