Once they had ______that he was not a spy, they agreed to release him.A、ascertai

游客2023-12-30  16

问题 Once they had ______that he was not a spy, they agreed to release him.

选项 A、ascertained
B、ascribed
C、averted
D、asserted

答案 A

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。
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