The answer is C) The space metaphor suggests that humans must share resources to survive; the lifeboat metaphor suggests that some humans must hoard resources.
In the lifeboat metaphor, Hardin propose that the population of the world is obligated to protect their limited resources because sharing them will lead them to their degradation and depletion. He asserts that corruption and misuse of the commons will always occur since there is no private ownership there's no one to protect the resources.