单选题 Mother: You"re watching too much TV, Emily.
Emily: Oh, come on, Morn.
Mother: ______ And you"re eating too many snacks.
Emily: I only had some popcorn and some potato chips.
【正确答案】 A
【答案解析】[解析] I mean it!是口语常见的表达方式,其含义是“我是说真的!”母亲孩子的请求表示反对,英文中用这种方式来表达。B和D选项是地道的英文表达方法,C选项与题意不符。