A. Because women play an equal role as men. B. Because women play a dominant role in the family. C. Because women have less time to spend on housework. D. Because men spend more time on housework. 参考答案:C 答案解析:根据文章第三段第一句可知有证据证明男性和女性对家务所做的贡献趋同,这是因为女性花在家务上的时间减少了,而不是因为男性做家务时间的小幅度增加。[A]、[B]文章未提及。[D]均与文意不符,是文中所排除的