题目

.Many of them turned 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: as if意为“好像”“似乎”，now that意为“既然”，even though意为“尽管”“虽然”，so that意为“为了”。比较四个选项，只有选C最合适。

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