The war and the sufferings _____ caused affected him greatly. A that B it C which D what
选哪个呢,说明一下原因
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参考答案:B
The war and the sufferings (it caused) affected him greatly. 括号部分是定语从句,修饰war 和sufferings,表示的是它引起的战争和苦难.从句完整的结构是: it caused the war and the sufferings ,the war and the sufferings 做宾语,可以省略或用that/which,但句子少了主语it,所以要呼回去.