Of the 14 Significant Obstacles Reported Concerning Economic Performance, the Main

Of the 14 significant obstacles reported concerning economic performance, the main four in order of importance are:

A) policy uncertainty; macroeconomic instability; tax rate; corruption.
B) macroeconomic instability; tax rate; corruption; consumer price index.
C) tax rate; corruption; consumer price index; human development index.
D) consumer price index; human development index; policy rulings; tax system.