The Main Reason That President Franklin Roosevelt Went Off the Gold

The main reason that President Franklin Roosevelt went off the gold standard was that

A) the U.S. gold reserves had been completely depleted.
B) he believed that a devalued dollar might rekindle a failing economy.
C) he foresaw the establishment of a new international agreement under the Bretton Woods system.
D) rumors that Britain would soon abandon the gold standard could no longer be ignored.
E) many economists of the time predicted higher dollar values if the gold standard was abandoned.