I was supposed to _______ all my shopping by now, but I still have a great many to buy.

A．to have finished

B．to finish

C．to be finishing

D．to have been finished

取得建造师注册证书的人员是否担任工程项目施工的项目经理由（）决定。

A．建造师

B．施工企业

C．上级主管部门

D．政府机构