In the idiom 'in good feather', we change 'good' into 'high, full' without changing meaning. This change of constituent is known as _____ . [ ]
A、addition
B、replacement
C、position-shifting
D、variation
【正确答案】：B
【题目解析】：参考教材P176，本题考查习语的种类。在成语“In good feather”中，我们把“good”变成了“high, full”，意思没有改变。这种成分的变化称为置换。
