不是 relaxing ,答案是 relaxedrelaxed = 不严格的,不严厉的是分词作形容词.其他类似用法：a relaxed atmospherea relaxed environmentrelaxing 的放松,是由你来放松,是出于你的relaxed 的（被）放松 =》 不严格的,...不是很清楚不要从汉语的字面翻译去理解这句话，考题是测试你的语感，relaxed 的一个意思是 not strict ，考题要的就是 relaxed 的这个意思。句子相等于She wants to have family rules which are relaxed即She wants to have family rules which are not strict