阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
A new book about Chinese-style tough parenting has caused debate in the US．Amy Chua, the author of Battle Hymn （颂歌）of the Tiger Mother, is a Chinese-American professor at Yale Law School, also a mother of two．
The 36 methods she used with her daughters would seem 37 to Westerners．In school her daughters weren't allowed to make grades 38 than As．They had to 39 playing the piano or violin even for hours a day．
There has been wide criticism of Chua's book in the US．"
