【单选题】听力原文:(A) The young man is listening to a lecture. (B) The man is selling flowers in a supermarket. (C) The old man is delivering a speech. (D) The old man has been sleeping for some time.
【简答题】The young man is inexperienced and he felt nervous about what to do in face of the unexpected happening. The presence of his family is obviously having a ca______ effect on him.