Choose the best answer.(根据短文内容，选择最恰当的答案)

    Today is Sunday. It is a fine day. Now it's nine o'clock in the morning. There is a sports meeting in the forest.

    Look, a lion, a giraffe(长颈鹿) and a cat are running. They run very fast. Over there a dog and two tigers are jumping. They jump one by one. Two koalas(考拉) are climbing the trees. Four birds are flying around and singing. They are very happy to watch the animal sports meeting. There are some other animals there, too. The elephants are standing beside a house. A koala is sitting on an old elephant. The koala has a flag(信号旗 ) in his hand. Some small animals are sitting under the trees. They like to watch the meeting very much.

    This sports meeting is great. The animals are very happy!