阅读短文，选择正确答案。
John lives in a new house. He likes playing in the river. But there isn't a river near his new house. He is not happy.
One day he asks his mother "Is there a river near here? No, there isn't," his mother says. "But here has a garden." But it's very small, I don't like it," John says.
One morning, his mother says, "There is a beautiful park near here, and there is a pool in it. We'll go there in the afternoon. "John is very happy.
After lunch. John and his mother go to the park, and he plays in the pool. And his mother is watching him under a tree.