单选题
This dictionary, which I bought yesterday, has been highly ______ by my professor.
A．acknowledged B．appealed
C．recommended D．commanded
【正确答案】
C
【答案解析】[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；recommend推荐，建议；command命令，指挥。根据句意，此处使用recommended。