{$mEDiAurl} why DoEs thE proFEssor mEntionChArlEsDArwinA.to show thAt mAlthus wAsn’t tAkEn As sEriously AsDArwin. B.to illustrAtE thE DiFFErEnCE BEtwEEn two wEll-rEspECtED thEorists. C.to ExplAin how mAlthus’ work inspirED AnothEr importAnt thEory. D、to introDuCE A politiCAl EConomist From AnothEr CEntury.