【正确答案】 D

【答案解析】此题属于语意搭配题。前一句中的differences暗示此句应选[D]division(区分，不一致)。选项[A]factor表示“因素”，例如：His friendly manner is an important factor in his success．选项[B]virtue表示“美德”，例如：The virtue of honesty is of importance．选项[C] privilege表示“特权，特别的优惠”，例如：Education is a privilege in many countries．