Which of the following best explains the term "specialization" with respect to trade?
a Specialization occurs when people concentrate their productive resources on the goods and services they can produce most efficiently.
b Specialization refers to the absolute advantage that a person enjoys in the production of goods and services.
c Specialization refers to the ability of a person to produce more of a good than his or her trading partners can.
d Specialization occurs when one person can produce more of a particular good than another person can.