HowdoescomeaboutthattheyhavebecomefriendsaftertreatingeachotherasenemiesforsomanyyearsAitthatBthatthatCitwhenDthisthat为什么选B,请麻烦划分一下句子成分,然后可以的话也请把这个句子的陈述

Question

How does ___come about ___that they have become friends after treating each other as enemies for so many years
A it that B that that C it when Dthis that
为什么选B,请麻烦划分一下句子成分,然后可以的话也请把这个句子的陈述句一起写出来,

Answer 1

1.答案：B.
不过貌似楼主你在题目中第二空后多打了个that.
2.翻译：他们在多年敌对后却变成了朋友,这是怎么回事呢/这是怎么发生的呢?
3.
1）此题考查come about的固定句型“How does/did come about that从句?”,意思是“...是怎么发生的/是怎么回事?”.
come about意思是“发生/产生”,类似于happen或take place.
2）这是一个特殊疑问句.
it是句子的形式主语,而come about是不及物动词短语,做句子谓语.
that从句是该句的真正主语.
3）该句变成陈述句为：
It comes about that they have become friends after treating each other as enemies for so many years + 方式状语(即how的提问部分).