单选题 There is no mother ______ loves her own children.
【正确答案】 B
【答案解析】本题主要考查固定用法。But作关系代词,用在某些否定结构后,意思接近that…not或who…not, 表示“其人(或该物)不”,与句中的no构成双重否定;该句相当于There is no mother who doesn"t love her own children的意思。