Economists Estimate That ________ of U

Economists estimate that ________ of U.S.currency is outside the United States and held primarily by ________.

A) over half; households and firms in countries where there is little confidence in the local currency
B) over half; foreign banks and foreign governments
C) less than one quarter; households and firms in countries where there is little confidence in the local currency
D) less than one quarter; foreign banks and foreign governments