求助分析一句话

问题描述:

求助分析一句话
Among these practices are the reliance on zero-tolerance policies,the emphasis on school security measures over prevention programs,and the neglect of bullying as a serious problem.
are 的主语是谁啊?

“the reliance on zero-tolerance policies,the emphasis on school security measures over prevention programs,and the neglect of bullying as a serious problem.”也就是are后面的那么一大堆.Among ,between...