It is suggested that proverbs are closely related to all of the following EXCEPT ______.

A．how false national pride led to undesirable incidents in international games
B．those sportsmen have been more obedient than they used to be
C．that competitiveness in the games discourages international friendship
D．Those unfair decisions are common in Olympic Games

A．The task of defining a proverb is not worth the effort.
B．You cannot explain clearly to others what makes a particular sentence a proverb.
C．There is no generally accepted definition of a proverb yet.
D．A proverb is a saying that contains wisdom handed down.