参考答案：对

解析：[听力原文]My mother took care of two kids for room, board and three dollars a week.

[分析]： 同义替换。 根据原文“She found work as another’s helper, caring for two young children in return for room，board and three dollars a week．”，题干中用同义短语take care of代替了原文的care for的分词形式，是对原文的同义解释。