C

    A king (国王) has daughter. Her name.is Christina. The king loves his daughter a lot and he asks his people to be pleasant (友好的) to her Every day, Christina stands on the castle wall (城墙), So everyone can be pleasant to her. But every day, only some people look up pleasantly. And no one waves (挥手) or smiles (微笑).

    It is fine day. Christina finds a girl in the marketplace (集市). The market girl waves and everyone waves back to her. They also smile at her. They look pleasant. Christina wants to know why they are happy.

    When the market girl comes, Christina asks her, "Why are they pleasant?"

    The market girl answers, ""

    After the market girl leaves, Christina thinks for a long time.

    A new day comes. Christina stands on the castle wall and waves. She even smiles. Down in the marketplace, the market girl waves and smiles back and some other people wave and smile back.

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