Which of the Following FX Trading Activities Is Used to Hedge

Which of the following FX trading activities is used to hedge FX risk?

A) The purchase and sale of foreign currencies for the purpose of profiting from forecasting or anticipating future movements in FX rates.
B) The purchase and sale of foreign currencies to allow customers to partake in and complete international commercial trade transactions.
C) The purchase and sale of foreign currencies for the purpose of offsetting customer exposure in any given currency.
D) The purchase and sale of foreign currencies to allow customers to take positions in foreign real and financial investments.
E) None of these.