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】：在习语“精神焕发”中，我们把“好得”变为“高的，满的”，而不改变意义。这种成分的变化称为置换。
