第30题: [单项选择]I’d ______ the operation unless it is absolutely necessary. A. rather not have B. rather not to have C. not rather had D. rather not having 参考答案:A 答案解析:[解析] 副词“rather”在与“would”连用,表示“宁愿”时,后面须接省略to的不定式,即“would rather do”,表示“宁愿不做某事”;变否定时,否定词not应放在不定式前面,即“