According to the Customs Law, while the examination is being carried out, （） should be present and responsible for moving the goods, opening and restoring the packing.

A. customs officer

B. harbor officer

C. the consignee of the import goods or the consignor of the export goods

D. the owner of the ship

采用股利增长模型法计算普通股资金成本，需用到的相关数据有( )。

A．预期年股利额

B．项目投资风险系数

C．普通股市价

D．市场投资组合预期收益率

E．股利期望增长率