The purpose of the author in writing this passage isA． that, by banning the violent sports, we human beings can improve ourselvesB． that, by banning the dangerous sports, we can improve the lawC． that we must take positive steps to improve social welfare
题目
The purpose of the author in writing this passage is
A． that, by banning the violent sports, we human beings can improve ourselves
B． that, by banning the dangerous sports, we can improve the law
C． that we must take positive steps to improve social welfare system
D． to show law is the main instrument of social change