According to the Text, International Trade (Exports Plus Imports Combined)

According to the text, international trade (exports plus imports combined) as a percentage of GDP is:

A) higher in the U.S. than in European countries.
B) lower in the U.S. than in European countries.
C) higher in the U.S. than in about half the European countries, and lower in the U.S. than the others.
D) about the same in the U.S. as in European countries.