Which of the Following Refers to Currency Speculation

Which of the following refers to currency speculation?

A) short-term movement of funds from one currency to another in the hopes of profiting from shifts in exchange rates
B) exchange rate at which a foreign exchange dealer will convert one currency into another that particular day
C) simultaneous purchase and sale of a given amount of foreign exchange for two different value dates
D) purchase of securities in one market for immediate resale in another to profit from a price discrepancy
E) growth in a country's money supply exceeding the growth in its output,leading to price inflation