请问这道英语语法题There ought to be less anxiety over the perceived risk o_英语解答

请问这道英语语法题
There ought to be less anxiety over the perceived risk of getting cancer than ＿in the public today.A.exists B.exist C.existing D.existed
为什么选A项?

人气：252 ℃　时间：2020-03-05 13:29:59

解答

主要从意思上区分.在当今社会,对于检察到患癌症的危险,比起实际存在的,本不应该有那么多的焦虑.就是说,把句子分一下,就好做了.弄清比较对像,因为than两边,结构对等.over the perceived risk of getting cancer ,对于...