An inflatable liferaft is floating in its container，attached to the ship by its painter，as the ship is sinking rapidly. Which action should be taken with respect to the liferaft container? （）

A. Cut the painter line so that it will not pull the liferaft container down
B. Swim away from the container so that you will not be in danger as it goes down
C. Take no action as the pull on the painter will cause the liferaft to inflate and open the container
D. Manually open the container and inflate the liferaft with the hand pum