The problem of economic scarcity applies
A. only in industrially developed countries, because resources are scarce in these nations
B. to economic systems in all nations, regardless if their level of development
C. only in underdeveloped countries, because there are no productive resources in these nations
D. only in economic systems that are just beginning to develop, because specialized resources are scarce in developing nations

B. to economic systems in all nations, regardless if their level of development 

Explanation:

The economic concept of scarcity implies that resources needed are scarce or limited in supply to meet the unlimited wants of economic agents. Therefore , economic agents have to choose from unlimited wants the one that would maximise their utility.

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