单项选择题
According to the ISPS Code, for a sailing ship, the following except（）should be onboard.
A.a ship security plan B.a ship security officer C.a company security officer D.certain onboard equipments
单项选择题 The ISPS Code consists of a mandatory section-Part A, which shows（）
单项选择题 The objective of ISPS Code is（）
单项选择题 The main objective of the SOLAS Convention is（）
