— His sudden death surprised his wife.

— It was so bad. His wife was surprised ____ his death. [ ]

A. by

B. with

C. at

D. on

某加工企业与外商签订了一份关于印刷品的来料加工合同，该厂报关员到海关办理该批合同的备案手续时，下列属于应当向海关提交的单证资料的是( )。

A．为确定单耗和损耗率所需的有关资料

B．加工合同备案申请表及企业加工合同备案呈报表

C．新闻出版总署印刷复制司的批准文件

D．“加工贸易业务批准证”和“加工贸易企业经营状况和生产能力证明”