Multi-choice problem: Choose from the options at the end, and answer how do you do this: What is the best way to make a one-tree hammock?

Choose your answer from:
[A]. Tie on end of the hammock from the trunk of the tree and the other end to a rope that is tied from a strong branch of that tree..
[B]. Tie one end of the hammock to the truck of the tree and the other end to the truck of another nearby tree to ensure balanced height..
[A].