A、Because he had been invited by a friend. B、Because he couldn’t find a good end for his story. C、Because he had nothing to do i

Tom Smith was a writer. He wrote detective stories for magazines. One evening he couldn’t find an end for a story. He sat with his typewriter in front of him, but he had no ideas. So he decided to go to the cinema.
    When he came back, he found that he had had a visitor. Someone had broken into his room. The man had had a drink, smoked several of Tom’s cigarettes and had read his story. The visitor left a note,
    I have read your story and I don’t think much of it. Please read my suggestions and then you can finish it. By the way, I am not a thief. I am not going to steal anything tonight, but if you become a successful writer, I will return!
    Tom read the thief’s suggestions. Then he sat down and wrote the rest of the story. He is still not a successful writer, and he is waiting for his thief to return. Before he goes out in the evening, near his typewriter he always leaves a story, which has not been finished.