As it turned out to be the most important meeting in the year, you ____ so casually.

A．Shouldn’t dress up

B．shouldn’t have dressed up

C．needn't have dressed up

D．couldn’t dress up

非生产性建设工程总投资包括（）。

A．设备工器具购置费

B．建筑安装工程费

C．铺底流动资金

D．涨价预备费

E．工程建设其他费用