A "Backgrounder" permits newspapermen to publish information given them though without att

外语类 公共英语 已帮助 人

A "Backgrounder" permits newspapermen to publish information given them though without attribution to the source.

A.a person who remains behind the scene

B.a person providing the background knowledge

C.a press conference

D.a news agency

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热搜:a是b的充分条件,b是a的必要条件吗