For the measures to be taken in SECURITY Level 1,_______.

For the measures to be taken in SECURITY Level 1,_______.

A.New crewmembers should be checked with the company' on-signers information

B.The reason for personnel seeking access to the vessel should be verified sometimes

C.Crewmembers, passengers, vendors, dock-workers and authorized visitors should be positively identified on a random basis prior to each embarkation

D.Body searches and the inspection of baggage for prohibited weapons, incendiaries and explosives should be always carried out

正确答案是A