The food that had been laid out for the dead is thrown into a river .这里that干什么的,定语.
问题描述：
The food that had been laid out for the dead is thrown into a river .这里that干什么的,定语.
答
that 引导的定语从句
that had been laid out for the dead 为死者准备的 定语从句修饰the food.
为死者准备的食物被扔进河里.