To the extent a relevant instrument is not applicable to a ship below convention size, the PSCO's task should be to assess whether the ship is of an acceptable standard in regard to safety and the environment. In making that assessment, the PSCO should take due account of such factors: _ __.
A.The length and nature of the intended voyage B.The size of the ship C.The equipment provided and the nature of the cargo D.The type of the ship正确答案ABCD