Public schools are softening their position on home schooling because ______.A、there isn’t much they can do to change the present situation
B、public schools cannot offer proper education for all children
C、they want to show their tolerance of different teaching systems
D、home schooling provides a new variety of education for children
【正确答案】：C
【题目解析】：目的原因题。由题干定位于第三段最后两句话可知，答案C符合题意，其他选项无从得知。