Which Is True

Which is true?

A) In an influential 1968 article in Science, Hardin affirmed that commons dilemmas would in the short-to-moderate term be harmful to the planet, but in the long term, the human capacity to adapt would prevail.
B) Lloyd (1937/1968) identified a serious flaw in Smith's (1776/1976) economics theory-the flaw being that Smith assumed that natural resources are virtually unlimited.
C) When the supply of a resource seems small or limited, individuals seem to feel free to exploit the resource as much as possible.
D) Lloyd recognized that many resources are, in fact, infinite and unlimited.