Which Was Not a Reason Why American Confidence in the Gold

Which was not a reason why American confidence in the gold standard weakened in the 1890s?

A) British investors had sold millions of dollars' worth of stock in American railroads and converted their dollars to gold, draining U.S. gold reserves.
B) Vast quantities of gold were flowing into the country from newly-opened mines in the Klondike.
C) Congress's lavish veterans' benefits had reduced government resources
D) Tariff revenues were dropping because of the high McKinley Tariff
E) The government had to pay for its monthly silver purchases with treasury certificates redeemable for either silver or gold, further drained gold reserves