【题目】Barbie flue refers to the trend __________ young women dramatically change their appearance to make themselves look like human Barbie dolls．
A． what B． whether
C． that D． how
在线课程【答案】C
【解析】
试题分析：考查代词。芭比流行倾向于改变年轻女性的容貌是她们看起来像芭比娃娃。that指代后面的事件，所以选C。