Believers in the Doctrine of "Survival of the Fittest" Argued

Believers in the doctrine of "survival of the fittest" argued that

A) only a few large corporations were fit to survive in the industrial jungle.
B) society owed a basic standard of living to even its weakest members.
C) there should be mental and physical competitions to determine fitness to survive and succeed in society.
D) fitness to survive and thrive could be proven only through physical competition.
E) the wealthy deserved their riches because they had demonstrated greater abilities than the poor.