Which of the Following Is True of the Work of Most

Multiple Choice

Which of the following is true of the work of most comparativists?

A) When they expand study outside of a single country, they still tend to limit their scope to a single geographic region.
B) They seek to study countries for which the least amount of established research has been accomplished.
C) They try to choose countries with radically different political systems in order to maximize variability in cases.
D) They tend to limit their focus to a single level of economic development.