Respuesta :
Answer:
They all make sense but i would go with D
Explanation:
If its not D then C because you need a lot of different currencies to trade different things.
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One of the most important aspects of the barter system is that it makes trade possible without money.
So, option D. is correct.
Barter system
Bartering is the act of exchanging products or services between two or more parties without the use of money — or a monetary medium such as a credit card.
In essence, trading entails one party providing one good or service in exchange for another party providing another good or service. A barter system is a method of trading in which items are exchanged without the use of money.
One of the most important aspects of the barter system is that it makes trade possible without money.
So, option D. is correct.
Find out more information about barter system here:
https://brainly.com/question/944669?referrer=searchResults