【单选题】In the early 1950’s, historians who studied pre-industrial Europe (which we may define here as Europe in the period from roughly 1300 to 1800) began, for the first time in large numbers,to investigate...
A.
failed to make distinctions among members of the pre-industrial European political and social elite
B.
used investigatory methods that were almost exclusively statistical in nature
C.
inaccurately estimated the influence of the pre-industrial European political and social elite
D.
confined their work to a narrow range of the pre-industrial European population