Which people would contribute to the GDP of the United States? Select the two correct answers.
A. a U.S. citizen producing goods in Portugal
B. a citizen of Japan producing goods in the United States
C. a U.S. citizen producing goods in the United States
D. a citizen of Spain producing goods in Brazil
E. a U.S. citizen producing goods in Canada
C. a U.S. citizen producing goods in the United States
E. a U.S. citizen producing goods in Canada