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

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

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.