动作特点主要表现为：动作的稳定性、准确性、灵活性较差，主要靠视觉控制的操作技能形成阶段属于( )

A．操作的定向

B．操作的模仿

C．操作的整合

D．操作的熟练

While the examination is being carried out, ______ shall be present and responsible for moving the goods, opening and restoring the packing.

A. the consignee of the import goods and the consignor of the export goods
B. Customs officer
C. harbour officer
D. the owner of the ship