阅读短文，选择正确的答案。

    There are six friends in the Green Woods. They are happy. The bird is a singer. She sings songs in the tree. The dog is an artist. He draws pictures on the ground. Look at the monkey. He is so funny. He makes the animals happy. What does he do? He's an actor. The street is so clean. Who is the cleaner? The bear is sweeping the fallen leaves. The parrot(鹦鹉) is a reporter. She reports news every day. What does the black cat do? Look! He is patrolling(巡逻) with his handgun(手枪) by his motor cycle. He's a policeman.