Once they had______that he was not a spy, they agreed to release him. -焚题库

Once they had______tha

单选题 Once they had______that he was not a spy, they agreed to release him.

A.ascertained

B.ascribed

C.averted

D.asserted

正确答案： A

答案解析: 这句话的意思是：一旦确认他并非间谍，他们就同意将他释放。ascertain意为“确定、查明”；ascribe意为“归因于、归咎于”；avert意为“防止、转移”；assert意为“断言、主张”。根据句意，选项A为正确答案。

相关知识：一、词汇和语法

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