单选题 When she took a mop from the small room what Mum really wanted to do was ______.

【正确答案】 C
【答案解析】从短文的有关内容可以推断出，Mum拿拖把拖地的目的是麻痹看门的护士，以便进病房看望Dagmar，所以C为正确。