9.单选题--ItelephonedhimtwiceandIcould'tgetthroughtohishome.--Ithinkthatthelinemighthavebeenoutoforder,?A.don'tyouB.doyouC.wasn'titD.hadn'tit解释下反义疑问句...

Question

9.单选题
--I telephoned him twice and I could't get through to his home.
--I think that the line might have been out of order,__?
A.don't you
B.do you
C.wasn't it
D.hadn't it
【解释下反义疑问句 】
...

Answer 1

I think. I suppose. I expect 这类用法, 后跟宾语从句的时候, 反义疑问句应该与宾语从句为依据.
因此首先排除A和B
然后看C和D
宾语从句里, might have been 是一种情态动词的用法,表示对过去某种情况的推测. 此处, have并不是表示时态的词. 如果不用推测的语气, 这个宾语从句应该是 the line was out of order. 第一个问句里的过去时态也是佐证.
因此应该选C. 表示过去时的反问.