The story is about...The story is about the writer walking in a park...The story is about the writer was walking in a park...哪句话是对的

问题描述:

The story is about...
The story is about the writer walking in a park...
The story is about the writer was walking in a park...
哪句话是对的

上面的

上面一个
因为下面一个有两个谓语动词了