I like this jacket better than that one, but it costs almost three times _____.[ ]

A. as much

B. as many

C. so much

D. so many

施工企业为从事危险作业的建筑安装施工人员支付的意外伤害保险费属于建筑安装工程的( )。

A．人工费
B．措施费
C．规费
D．企业管理费