题目内容：
请在第__(48)__处填上正确答案。
A．Interestingly, results show that home-schooled children quite often do better than average on national tests in reading and math. B．Critics also say that most parents are not well qualified to teach their children.
C．Learning starts with the children'st nterests and questions.
D．Children who are educated at home are known as "home-schoolers. "
E．In some countries, however, children are educated by their parents.
F．If the Brazilian rain forests are on the TV news, it could be a perfect time to talk about how rain forests influence the climate, and how deserts are formed.
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