The US Dollar Has Historically Served as the Major International Reserve

The U.S. dollar has historically served as the major international reserve currency. This means that

A) the United States lends other countries large sums of money.
B) most international economic transactions take place in U.S. dollars.
C) other countries and investors keep their savings in U.S. dollars.
D) dollars are accepted in more countries worldwide.
E) the United States controls major international economic institutions like the IMF and World Bank.