Because of specialization and comparative advantage, most people: a. consume the products produced by their family and friends.
b. consume the products of many other specialists.
c. consume only what they produce themselves.
d. do not use money as a medium of exchange.
e. share whatever they produce

B

Explanation:

A country (people) has comparative advantage in production if it produces at a lower opportunity cost when compared to other countries (people).

According to economic theory, a person should specialise in the production of goods for which it has a comparative advantage.

If a person specialises only in the production of goods he specialises, he would not to buy other goods from specialists since she does not produce all the goods