Most home schoolers’opposition to public education stems from their ________.

A．things in public schools are not so bad as has often been said
B．their tolerance of public education will attract more kids to public schools
C．home schooling is superior and, therefore, they will not easily give in.
D．their increased cooperation with public school will bring about the improvement of public education

A．there isn't much they can do to change the present situation
B．they want to show their tolerance for different teaching systems
C．home schooling provides a new variety of education for children
D．public schools have so many problems that they cannot offer proper education for all children