The answer to which of the following questions would be most useful in evaluating the significance, in
relation to Hardin’s claim, of the study described above?
(A) Did any of the ranchers whose land was studied use both common and private land?
(B) Did the ranchers whose land was studied tend to prefer using common land over using private land for
grazing?
(C) Was the private land that was studied of comparable quality to the common land before either was used
for grazing?
(D) Were the users of the common land that was studied at least as prosperous as the users of the private
land?
(E) Were there any owners of herds who used only common land, and no private land, for grazing?