波洛圣诞探案记18

VII,Colonel Johnson stared at Sugden for some minutes before he spluttered:,“Do you mean to tell me, Superintendent ¹, that this is one of those damned cases you get indetective stories where a man is killed in a locked room by some apparently ² supernatural agency?”,A very faint smile agitated ³ the superintendent’s moustache as he replied gravely:,“I do not think it’s quite as bad as that, sir. ”,Colonel Johnson said:,“Where’s the weapon, if so? No, sir, suicide won’t do.
”,“Then how did the murderer escape? By the window?” Sugden shook his head.,“I’ll take my oath he didn’t do that. ”,“But the door was locked, you say, on the inside.
”,The superintendent nodded. He drew a key from his pocket and laid it on the table.,He decided to call the superintendent of the building.他决定给楼房管理员打电话
。,An apparently blind alley leads suddenly into an open space.山穷水尽
，豁然开朗。