you seem to take a keener interest in the subject ( ) has ever been shown beforea.than b,which c,that d,as 英语
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【答案】 选A.
You seem to take a keener interest in the subject than has ever been shown before
你对这一科目显示出以往从未有过的浓厚兴趣.
解析：这里是比较级than后的特殊省略,as/than 句子中,后面的句子可以省略与前面相同的部分.原句应该是：
You seem to take a keener interest in the subject than （that ）has ever been shown before,这被省略里的that是指前面提到的interest.
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