He knew nothing about it ______ his friend told him.A、untilB、becauseC、ifA考查连词

游客2025-07-02  3

问题 He knew nothing about it ______ his friend told him.

选项 A、until
B、because
C、if

答案 A

解析 考查连词。until经常与否定词连用,构成not(...)until搭配,表示“直到…(才…)”。本题中 nothing是否定词,相当于not。because指“因为”,if指“如果”,都不符合句意逻辑。
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