In the 4a paragraph, the words of a fund manager tells us all of the following except that______.
A．the US economy is very dependent upon ever-increasing amounts of debt
B．the amount of borrowing today in the US for automobiles and housing is getting bigger and bigger
C．one of the main reasons for the depreciation of dollar is the ever increasing amounts of US domestic debts
D．the US federal government is creating credit because the people have already showed unwillingness to be indebted