that 从句, 修饰的是 map 还是 to draw a map ?

问题描述:

that 从句, 修饰的是 map 还是 to draw a map ?
The last great scientist of the classical period, he was the first to draw a map that was based on all available knowledge, rather than guess or imagination.

看That后面的意思是“那是建立在有用的知识上的,而不是猜的或想的.”这里指的是他是在学过的知识上画的地图,修饰的就是a map(这份地图)