Which of the Four Types of Decision Makers in the U.S.economy

Which of the four types of decision makers in the U.S.economy plays the largest role?

A) U.S.firms and government because they produce the products that households consume
B) U.S.households because they supply goods to the product markets and are demanders in resource markets
C) foreign households, firms, and governments because they greatly outnumber those of the United States
D) U.S.firms and government because they create employment for domestic households and produce goods and services
E) U.S.households, as buyers in product markets and sellers in resource markets