My life has changed a lot during the ____________ years.    

A．last a few

B．last few

C．a few last

D．few last

现代工业分包只是一种简单的采购贸易关系，其核心内容体现在上游的主发包商（采购商）与下游的分包商（供应商）之间所形成的长期而稳定的合作伙伴关系。