阅读短文，根据短文内容，选择正确答案。
There are many children in the classroom. The boy in a red shirt is Li Ming. He is behind Li Hua. Li Hua is in a yellow coat, and she is very tall. The girl beside Li Hua is Kate. She is wearing a blue sweater and a pair of black trousers. The boy on the desk is Tom. Tom is in a blue sweater, too. But his trousers are white. Who are the girls near the window? Oh, they're the twins. They're in green coats and brown skirts.
