【Bettygoestolearnhowtoplaytheviolineveryafternoon____SaturdayandSunday.Shedoeshouseworkonthesedays.A.onB.duringC.duringD.except为什么选B不选C,请详解,不好意思打错了，C是from。答案是这样翻译的，Betty】

　　Bettygoestolearnhowtoplaytheviolineveryafternoon____SaturdayandSunday.Shedoeshouseworkonthesedays.

　　A.onB.duringC.duringD.except

　　为什么选B不选C,请详解,

　　不好意思打错了，C是from。答案是这样翻译的，Betty每天下午都学习如何拉小提琴，除了周六日在家做家务外