单项选择题 When planning the loading or discharging of a VLCC (100，000 DWT+) what is the most important consideration?（）

单项选择题 In all cases，however，the capacity of segregated ballast tanks shall be（）such that，in any ballast condition at any part of the voyage，including the conditions consisting of lightweight plus segregated ballast only，the ship’s draughts and trim can meet the necessary requirements.

单项选择题 A vessel loads edible oil in a deep tank through a manhole at the midlength of the tank. In order to fill the tank to maximum capacity，what trim should the vessel have?（）.