单选题 By saying "the BBC is the worst traitor"( Line 1 ,Paragraph 4) ,the author means that

A、 the BBC employed foreign announcers with nonstandard spoken English.
B、 the BBC failed to keep helping to improve the standard of spoken English.
C、 the head of the Pronunciation Union thought the pronunciation of BBC announcers was not as good as before.
D、 the talking program in BBC is rubbish.

【正确答案】 B

【答案解析】文章最后一段说BBC是最糟糕的背叛者是指它没能为使英语口语更加标准继续做出相应的贡献。[A]文章未提及。[C]发音协会的领导人只是说BBC的播音员选自更广泛的领域，并未说他们的发音不如从前。[D]与文意不符，文章只说其中有的节目所用的语言是垃圾。