题目选项分析

Mr. Lawson: We should adopt a national family policy that includes legislation requiring employers to provide paid parental leave and establishing government-sponsored day care. Such laws would decrease the stress levels of employees who have responsibility for small children. Thus, such laws would lead to happier, better-adjusted families. Which of the following, if true, would most strengthen the conclusion above?

【选项】The goal of a national family policy is to lower the stress levels of parents.