Choose the correct synonym for 'illiquid assets' in financial terminology: A. Easily tradable securities B. Fixed deposit accounts C. Hard-to-sell investments D. Cash equivalents 答案解析 核心考点：专业术语同义转换。正确答案C准确传达'illiquid'（缺乏流动性）的核心特征。A、D选项描述高流动性资产，B选项属于中等流动性资产，均不符合定义。易错点：区分不同流动性等级的金融资产。 正确答案：C