Physics is the present day equivalent of ____ used to be called natural philosophy, from ____ most of present day science arose.
A、which,whatC
【句意】当今的物理就是以前被称之为自然哲学的等同物，大多数现代科学都产生于自然哲学。
【难点】whatusedtobecalled作定语，修饰naturalphilosophy,fromwhich引导一个非限制性定语从句。
