【单选题】听力原文: 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 ...
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 in his spare time.
D.
Because there was a very fantastic film in the cinema.