A

    There were many people on a bus. An old man ____(look) here and there. He wanted to find ____ empty seat. Then he saw one and went to it. A small bag was on the seat. And a young man was beside it.

    "Is this seat empty?" asked the old man.

    "No, it's ____ an old woman. She went to buy some bananas.” said the young man.

    "Well, let me sit here, please. I'll leave here when she ____(come) back, "replied the old man.

    After a few minutes, the bus started. "The old woman ____(not come), but her bag is here. Let me give her the bag. "Then the old man threw the bag out of the bus window.

    The young man jumped up and shouted, "Don't throw! It's my bag!"

人们在烦躁、郁闷时，听一听自己喜欢的乐曲，或者到野外看看风景，心里就感觉轻松一些。这种调节情绪的方法是（    ）