单选题 You can infer that an unstated reason Mathers likes the flat rate tax is that ______.

【正确答案】 C
【答案解析】A、B两项文中明确表示出,flat rate tax每人交税百分比一样,富人能少交税,而progressive tax则要求富人多交税。既然Mathers支持flat rate tax,说明他交税多,想少交一点,故选C。