参考答案

正确答案：D
解析：细节题。根据题干关键词work-family balance laws定位文章第二段最后一句In fact，every step of the way，as(usually) Democratic leaders have tried to introduce work-family balance measures into the law，business groups have been strongly opposed．(实际上,在这条路上迈出的每一步，通常是民主党领导人试图将平衡工作与家庭生活两者关系的方法引入法律时，商会组织总是竭力反对。)故选D。