The word "square" in sentence 1, Para. 2 means ______.

A．public interests instead of concentrating on individual needs
B．promoting cultural life rather than focusing on business life
C．public policies rather than reporting social activities
D．democratic life instead of seeking commercial benefits

A．Mass media is the only means to influence the social life.
B．Mass media today is too much dominated by commercial interests.
C．A public policy is needed to regulate the mass media.
D．Democratic life is determined by mass media.