This dictionary, which I bought yesterday, has been highly by my professor. A. acknowledg

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A. acknowledged
B. appealed
(答案→)C. remended
D. manded
解析：考查动词辨析。句意：我昨天买来的这本字典是我的教授强烈推荐的。 acknowledge 承认, 感谢；appeal 呼吁，上诉；remend 推荐，建议；mand 命令，指挥。根据题意，此处使用remended。