B is incorrect since it changes the meaning of the sentence...As per original sentence,historians have focussed on the population however as per option Bstudies have focussed on the population ....hence A is correct.
All other options are incorrect as per highlighted text below....Pls give kudos!!1
In studying pre-industrial Europe, these historians have focused on only the 2 or 3 percent of the population that comprised the political and social elite, but they have generally overlooked the
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All other options are incorrect as per highlighted text below....Pls give kudos!!1
In studying pre-industrial Europe, these historians have focused on only the 2 or 3 percent of the population that comprised the political and social elite, but they have generally overlooked the
...
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