Please arrnge for the workers to do the（）work during loading the trucks and heavy cargo on the ship, and also supply the necessary materials for the work.

A.lashing

B.shifting

C.lifting

D.tallying

“报关员资格证书”是从事报关工作的专业资格证明，由海关总署统一制定，在全国范围内有效，所以，拥有报关员资格证书者可以在全国各地从事报关活动。 ( )