单项选择题

“Labor-saving”appliances may lighten the housework．

A. 节省劳动力的用具可以减轻家务。
B. 节省劳动力的用具可以照亮家庭工作。
C. 节省劳动力的用具可以使家庭工作变得容易。
D. 储存劳动力的用具可以使家庭作业变得容易。
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