A Small Group of Mice Are Released on an Island

A small group of mice are released on an island without mice but with abundant food for mice and no predators.After the population size stabilizes for several years,a hurricane drastically reduces it,we can now say that

A) the biotic potential of the population has been reduced.
B) its new population size is a result of density-dependent regulation.
C) its new population size is a result of density-independent regulation.
D) it can now act as a sink metapopulation.
E) it can now act as a source metapopulation.