以下哪一项是已经被确认了的具有一定合理性的风险？（）
A.总风险
B.最小化风险
C.可接受风险
D.残余风险
参考答案：C
--Why were you not at the concert last night?
--I _______a close game between Seattle and Miami.
A. watched B. had watched
C. have been watching D was watching
市场活动的主要类型是（）
A.广告宣传
B.媒体公关
C.区域市场促销活动
D.展厅销售
