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学习方向
重庆
√
A
x
B
正确答案 ：B
解析
句意：到1996年，在男性择偶标准的排名中，智力和教育水平上升到了第五位。moved前加had。本句开头出现的短语By 1996，即“到1996年为止”，表示动作从过去某个时间持续到1996年，因此要用过去完成时，此处需加助动词had。
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