The retired workers were invited to the company,________surprise,changes had been so great over

the years. [      ]

A. whose  

B. who  

C. to whom  

D. to whose

中国自然经济开始解体的标志是

A．英国扩大对中国的商品输出

B．西方列强控制了中国海关

C．资本主义萌芽开始出现

D．传统手工棉纺织业的衰败