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【题目】________ the danger of traveling on the lonely island, they would not be trapped now.

A. Have they been informed ofB. Were they informed of

C. Should they be informed ofD. Had they been informed of

【答案】D

【解析】

试题分析:考查虚拟语气和倒装省略。句意:如果他们被告知了在孤岛上旅行的危险的话他们现在就不会被困了。此题考查的是混合虚拟语气且考查了虚拟语气与倒装省略的结合。If条件句中表示的是与过去事实相反应该是If they had been informed of the danger of traveling on the lonely island,主句是与现在事实相反可以通过时间状语now判断出。依照if遇到的虚拟语气与倒装省略的结合用法可以用成Had they been informed of the danger of traveling on the lonely island故D项正确。

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