—Mrs.Smith didn't come to the meeting, _____?

—No, _____.She was ill.[ ]

A. did he; he didn't            

B. did he; he did

C. didn't she; she didn't        

D. did she; she didn't

企业在自己的网页上发布采购物料的告示，吸引供应商上门，直接商谈采购事宜而进行的采购属于（）。

A.非正规招标采购

B.正规招标采购

C.网上查询采购

D.定量订货法采购