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【单选题】
模型强调的是人们对同质性的需求。接着上一题考虑。现在，假设人们的偏好发生了逆转（在某种程度上倾向于和不同类的人在一起），让t代表人们对不同属性邻居数的最低要求（少了就要搬家），若其他条件不变，当t=4时，与上一题最后形成的结果图相比，（）
A.
产生更严重的隔离
B.
隔离消失
C.
没有变化
D.
无法确定
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