参考答案

正确答案：C
解析：细节题。由题干中的domestic robots定位至第四段。第三句指出Japanese industrial firms are racing to build humanoid robots to act as domestic helper...，既然日本企业在争先恐后地生产家用机器人，自然会为人们的家务劳动提供很大帮助，C符合文意，故为答案。该句后面提到South Korea has set a goal that 100% of households should have domestic robots by 2020，这只是一个目标而已， B为绝对项，排除。A和D未提及，排除。