单选题 The author of the passage puts the word "savage" and "barbarian" (lines 9-10) in quotation marks most probably in order to

• (A) signal his reservations about the way these terms have been used to define geography through human categories
• (B) draw attention to the discrepancies between the way historiographers treat the supra-national and sub-national levels
• (C) emphasize historiography's unique tendency to rely upon social categories to draw geographic distinctions
• (D) question the notion of the spatial marker itself by asserting the general ambiguity of these terms
• (E) argue for the replacement of these terms by historiographers with more politically correct substitutes