Parents in their forties want their children to get the best education because In the Xuzhou survey, how many children have ext

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问题 Parents in their forties want their children to get the best education because
In the Xuzhou survey, how many children have extra private lessons?

选项 A、250.
B、25.
C、10.
D、3.

答案B

解析 文章第八段:A survey of 250 students in Xuzhou found that 10% of their parents hired tutors.徐州做的一份调查表明,10%的父母为孩子请家教。因此250名学生也就是10%的孩子需补课, 250×10%=25。
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