The Dollar Overhang Concept Refers to the Situation When

The dollar overhang concept refers to the situation when

A) the number of dollars held in foreign hands grew much faster than the supply of gold backing them.
B) the U.S. government controlled most of the dollars in circulation.
C) a large amount of dollars were being held by the International Monetary Fund.
D) countries were redeeming the dollar for gold at the set price of $35 per ounce.