参考答案

正确答案：B
解析：题目问：哪类家长最不可能虐待孩子?第三段“Abusive parents themselves were raised in similar family situations and their own childhood experience has a lasting influence on their behavior. asadults．”通过这句话可知，父母本身如果受到虐待，那么他们可能也会虐待自己的孩子。第四段“abuseOccurs more frequently in larger families and families with low income，poor education，and low occupational status．”通过这句话可知，如果父母失业或者经济地位低下，他们很可能找孩子出气。第三段内容提到，如果父母精神有问题，虐待孩子的可能性比较大。据此判断，答案是B。