单选题 The other cause of unemployment is deep in the modem structure of the welfare state. This places on the employer a substantial labor cost in addition to wages, the provision of pension and health benefits in particular but other costs as well.
【正确答案】 B
【答案解析】[解析] 句意：失业的另一个原因根植于现在的福利结构。福利结构现状给雇主带来巨大的劳工成本，除此之外还有工资、养老金、健康津贴以及其他成本。substantial大量的；实质的。considerable相当大的，相当多的。considerate体贴的，考虑周到的。subsequent后来的，随后的。successive连续的，依次的。