这里的 as a whole 作状语，修饰does. as a whole 用作定语修饰名词更多见。但现代英语中也有用作状语的情形。
请看国外英语图书例句：
1. The behavior of the white blood cells is as purposeful as anything the human body does as a whole.
2. Get the idea of what to do as a whole and don't worry too much about the components.
