题目

Many of them turn a deaf ear to his advice, _____ they knew it to be valuable. A. as if    B. now that    C. even though    D. so that 答案：C 解析: even though 引导让步状语从句，意为“尽管”，表示“尽管他们知道他的建议很有价值，但许多人都不理会”。as if意为“好像”。now that意为“既然”。so that意为“以便”。

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