[解析]
(1)C.细节理解题.根据第一段Ashenden knew several European languages and the fact that he was a writer provided excellent cover:on the pretext(借口) that he was writing a book he could,without attracting attention,visit any neutral country.可知,Ashenden知道几种欧洲语言,并且他是一名作家提供了很好的掩护:借口他正在写一本书,他可以在不引起注意的情况下访问任何中立国家.故选C.
(2)B.推理判断题.根据第二段 A foreign government minister went down to a Mediterranean resort to recover from a cold and he had some very important documents with him that he kept in a dispatch case(公文箱).可知,部长之行的原因是为了克服疾病.故选B.
(3)C.推理判断题.根据第三四段"Do you mean to say that happened the other day?" said Ashenden."The week before last."可知,事件发生在两周前.故选C.
(4)B.细节理解题.根据第五段"Impossible," cried Ashenden. "Why!We've been putting that incident on the stage for sixty years,we've written it in a thousand novels.Do you mean to say that life has only just caught up with us?"可知,听到上校的故事后,阿森登喊"不可能",因为他认为这与小说太接近了.故选B.