What Is the Reason That All Economic Issues and Problems

Multiple Choice

What is the reason that all economic issues and problems occur?

A) All nations use some form of money to buy and sell goods and services.
B) People seek only their own self-interest.
C) Powerful governments are able to control production and consumption.
D) Human wants exceed the resources available to satisfy them.
E) Humans are always wasteful and inefficient in production and consumption.