John sold the camera yesterday which his brother           him as a birthday present from Japan.

A．has sent

B．had sent

C．was sending

D．would send

以下( )不是咨询工程师在招投标管理中应完成的工作。

A．策划招标方案

B．编制标底

C．制定评标标准

D．对招标投标活动实施监督