with A smirk, thE ------- historiAn tAkEs it As A proFEssionAl oBligAtion to pArADE humAn nAturE AlwAys As An oBjECt oF -------.
A．puErilE ... Dignity
B．sArDoniC ... moCkEry
C．DiligEnt... stuDy
D．prACtiCED... Distrust
E．(E) vEtErAn... rEproACh