After the new equipment was introduced，they produced________machines this year as the

year before.[ ]

A．as twice many  

B．as many twice

C．twice as many  

D．twice many as

招标人没有明确地将定标的权利授予评标委员会时，应由（）决定中标人。

A.招标人

B.评标委员会

C.招标代理机构

D.建设行政主管部门