The Importance of the Ceteris Paribus Assumption Is That It

The importance of the ceteris paribus assumption is that it:

A) allows one to separate normative economic issues from positive economic ones.
B) allows one to generalize from the whole to the individual.
C) allows one to analyze the relationship between two variables apart from the influence of other variables
D) allows one to hold all variables constant so that an economy can be carefully observed in a suspended state.
E) allows one to generalize from the individual to the whole.