Learninganotherlanguageislikeste?
Learning another is like stepping out of a door ,（ ） I can look back and see more clearly my own language . A．by which B．which C．through which D．on which
C．through which 前面说了学习另外的一种语言就像是走出了一道门， 那么后面的句中是通过这扇门我可以回首和更清楚地看到我的母语。 我个人认为应该用介词through 不当之处，敬请见谅