A:{x|﹣2<x<2}
B:{x|x<﹣2或x>2}
C:{x|x<﹣2或2<x≤4}
D:{x|x<﹣2或2<x<4}
—_______ is the station from your school?
—About 15 minutes by bike.
制酸奶是在在牛奶中加入了( )进行发酵.