It was ____ exciting news that more than ten students in a single school were admitted to Tsinghua

University in the same year. [ ]

A. one          

B. an            

C. /              

D. a

（）的目的是有效地向目标受众传达有关产品或服务的讯息，尽可能地让他们理解和记忆产品相关信息，并促进消费行为的实现。

A.广告策划

B.广告创意

C.广告测试

D.广告调查